20160981200

素因数分解:

$2^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{977}}^1\times {\mathrm{2243}}^1$

素因数の和:3261

約数の個数: 120

約数和(自身を含む): 50616992448

約数和(自身を除く): 30456011248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 40, 46, 50, 80, 92, 100, 115, 184, 200, 230, 368, 400, 460, 575, 920, 977, 1150, 1840, 1954, 2243, 2300, 3908, 4486, 4600, 4885, 7816, 8972, 9200, 9770, 11215, 15632, 17944, 19540, 22430, 22471, 24425, 35888, 39080, 44860, 44942, 48850, 51589, 56075, 78160, 89720, 89884, 97700, 103178, 112150, 112355, 179440, 179768, 195400, 206356, 224300, 224710, 257945, 359536, 390800, 412712, 448600, 449420, 515890, 561775, 825424, 897200, 898840, 1031780, 1123550, 1289725, 1797680, 2063560, 2191411, 2247100, 2579450, 4127120, 4382822, 4494200, 5158900, 8765644, 8988400, 10317800, 10957055, 17531288, 20635600, 21914110, 35062576, 43828220, 50402453, 54785275, 87656440, 100804906, 109570550, 175312880, 201609812, 219141100, 252012265, 403219624, 438282200, 504024530, 806439248, 876564400, 1008049060, 1260061325, 2016098120, 2520122650, 4032196240, 5040245300, 10080490600, 20160981200]

約数ペア:

[(1, 20160981200), (2, 10080490600), (4, 5040245300), (5, 4032196240), (8, 2520122650), (10, 2016098120), (16, 1260061325), (20, 1008049060), (23, 876564400), (25, 806439248), (40, 504024530), (46, 438282200), (50, 403219624), (80, 252012265), (92, 219141100), (100, 201609812), (115, 175312880), (184, 109570550), (200, 100804906), (230, 87656440), (368, 54785275), (400, 50402453), (460, 43828220), (575, 35062576), (920, 21914110), (977, 20635600), (1150, 17531288), (1840, 10957055), (1954, 10317800), (2243, 8988400), (2300, 8765644), (3908, 5158900), (4486, 4494200), (4600, 4382822), (4885, 4127120), (7816, 2579450), (8972, 2247100), (9200, 2191411), (9770, 2063560), (11215, 1797680), (15632, 1289725), (17944, 1123550), (19540, 1031780), (22430, 898840), (22471, 897200), (24425, 825424), (35888, 561775), (39080, 515890), (44860, 449420), (44942, 448600), (48850, 412712), (51589, 390800), (56075, 359536), (78160, 257945), (89720, 224710), (89884, 224300), (97700, 206356), (103178, 195400), (112150, 179768), (112355, 179440)]