19960613840

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{677}}^1$

素因数の和:921

約数の個数: 160

約数和(自身を含む): 48622200480

約数和(自身を除く): 28661586640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 89, 101, 164, 178, 202, 205, 328, 356, 404, 410, 445, 505, 656, 677, 712, 808, 820, 890, 1010, 1354, 1424, 1616, 1640, 1780, 2020, 2708, 3280, 3385, 3560, 3649, 4040, 4141, 5416, 6770, 7120, 7298, 8080, 8282, 8989, 10832, 13540, 14596, 16564, 17978, 18245, 20705, 27080, 27757, 29192, 33128, 35956, 36490, 41410, 44945, 54160, 55514, 58384, 60253, 66256, 68377, 71912, 72980, 82820, 89890, 111028, 120506, 136754, 138785, 143824, 145960, 165640, 179780, 222056, 241012, 273508, 277570, 291920, 301265, 331280, 341885, 359560, 368549, 444112, 482024, 547016, 555140, 602530, 683770, 719120, 737098, 964048, 1094032, 1110280, 1205060, 1367540, 1474196, 1842745, 2220560, 2410120, 2470373, 2735080, 2803457, 2948392, 3685490, 4820240, 4940746, 5470160, 5606914, 5896784, 6085553, 7370980, 9881492, 11213828, 12171106, 12351865, 14017285, 14741960, 19762984, 22427656, 24342212, 24703730, 28034570, 29483920, 30427765, 39525968, 44855312, 48684424, 49407460, 56069140, 60855530, 97368848, 98814920, 112138280, 121711060, 197629840, 224276560, 243422120, 249507673, 486844240, 499015346, 998030692, 1247538365, 1996061384, 2495076730, 3992122768, 4990153460, 9980306920, 19960613840]

約数ペア:

[(1, 19960613840), (2, 9980306920), (4, 4990153460), (5, 3992122768), (8, 2495076730), (10, 1996061384), (16, 1247538365), (20, 998030692), (40, 499015346), (41, 486844240), (80, 249507673), (82, 243422120), (89, 224276560), (101, 197629840), (164, 121711060), (178, 112138280), (202, 98814920), (205, 97368848), (328, 60855530), (356, 56069140), (404, 49407460), (410, 48684424), (445, 44855312), (505, 39525968), (656, 30427765), (677, 29483920), (712, 28034570), (808, 24703730), (820, 24342212), (890, 22427656), (1010, 19762984), (1354, 14741960), (1424, 14017285), (1616, 12351865), (1640, 12171106), (1780, 11213828), (2020, 9881492), (2708, 7370980), (3280, 6085553), (3385, 5896784), (3560, 5606914), (3649, 5470160), (4040, 4940746), (4141, 4820240), (5416, 3685490), (6770, 2948392), (7120, 2803457), (7298, 2735080), (8080, 2470373), (8282, 2410120), (8989, 2220560), (10832, 1842745), (13540, 1474196), (14596, 1367540), (16564, 1205060), (17978, 1110280), (18245, 1094032), (20705, 964048), (27080, 737098), (27757, 719120), (29192, 683770), (33128, 602530), (35956, 555140), (36490, 547016), (41410, 482024), (44945, 444112), (54160, 368549), (55514, 359560), (58384, 341885), (60253, 331280), (66256, 301265), (68377, 291920), (71912, 277570), (72980, 273508), (82820, 241012), (89890, 222056), (111028, 179780), (120506, 165640), (136754, 145960), (138785, 143824)]