8889648040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{78781}}^1$

素因数の和:78843

約数の個数: 128

約数和(自身を含む): 25411921920

約数和(自身を除く): 16522273880

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 91, 104, 124, 130, 140, 155, 182, 217, 248, 260, 280, 310, 364, 403, 434, 455, 520, 620, 728, 806, 868, 910, 1085, 1240, 1612, 1736, 1820, 2015, 2170, 2821, 3224, 3640, 4030, 4340, 5642, 8060, 8680, 11284, 14105, 16120, 22568, 28210, 56420, 78781, 112840, 157562, 315124, 393905, 551467, 630248, 787810, 1024153, 1102934, 1575620, 2048306, 2205868, 2442211, 2757335, 3151240, 4096612, 4411736, 4884422, 5120765, 5514670, 7169071, 8193224, 9768844, 10241530, 11029340, 12211055, 14338142, 17095477, 19537688, 20483060, 22058680, 24422110, 28676284, 31748743, 34190954, 35845355, 40966120, 48844220, 57352568, 63497486, 68381908, 71690710, 85477385, 97688440, 126994972, 136763816, 143381420, 158743715, 170954770, 222241201, 253989944, 286762840, 317487430, 341909540, 444482402, 634974860, 683819080, 888964804, 1111206005, 1269949720, 1777929608, 2222412010, 4444824020, 8889648040]

約数ペア:

[(1, 8889648040), (2, 4444824020), (4, 2222412010), (5, 1777929608), (7, 1269949720), (8, 1111206005), (10, 888964804), (13, 683819080), (14, 634974860), (20, 444482402), (26, 341909540), (28, 317487430), (31, 286762840), (35, 253989944), (40, 222241201), (52, 170954770), (56, 158743715), (62, 143381420), (65, 136763816), (70, 126994972), (91, 97688440), (104, 85477385), (124, 71690710), (130, 68381908), (140, 63497486), (155, 57352568), (182, 48844220), (217, 40966120), (248, 35845355), (260, 34190954), (280, 31748743), (310, 28676284), (364, 24422110), (403, 22058680), (434, 20483060), (455, 19537688), (520, 17095477), (620, 14338142), (728, 12211055), (806, 11029340), (868, 10241530), (910, 9768844), (1085, 8193224), (1240, 7169071), (1612, 5514670), (1736, 5120765), (1820, 4884422), (2015, 4411736), (2170, 4096612), (2821, 3151240), (3224, 2757335), (3640, 2442211), (4030, 2205868), (4340, 2048306), (5642, 1575620), (8060, 1102934), (8680, 1024153), (11284, 787810), (14105, 630248), (16120, 551467), (22568, 393905), (28210, 315124), (56420, 157562), (78781, 112840)]