8965840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{233}}^1$

素因数の和:296

約数の個数: 80

約数和(自身を含む): 23154768

約数和(自身を除く): 14188928

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 37, 40, 52, 65, 74, 80, 104, 130, 148, 185, 208, 233, 260, 296, 370, 466, 481, 520, 592, 740, 932, 962, 1040, 1165, 1480, 1864, 1924, 2330, 2405, 2960, 3029, 3728, 3848, 4660, 4810, 6058, 7696, 8621, 9320, 9620, 12116, 15145, 17242, 18640, 19240, 24232, 30290, 34484, 38480, 43105, 48464, 60580, 68968, 86210, 112073, 121160, 137936, 172420, 224146, 242320, 344840, 448292, 560365, 689680, 896584, 1120730, 1793168, 2241460, 4482920, 8965840]

約数ペア:

[(1, 8965840), (2, 4482920), (4, 2241460), (5, 1793168), (8, 1120730), (10, 896584), (13, 689680), (16, 560365), (20, 448292), (26, 344840), (37, 242320), (40, 224146), (52, 172420), (65, 137936), (74, 121160), (80, 112073), (104, 86210), (130, 68968), (148, 60580), (185, 48464), (208, 43105), (233, 38480), (260, 34484), (296, 30290), (370, 24232), (466, 19240), (481, 18640), (520, 17242), (592, 15145), (740, 12116), (932, 9620), (962, 9320), (1040, 8621), (1165, 7696), (1480, 6058), (1864, 4810), (1924, 4660), (2330, 3848), (2405, 3728), (2960, 3029)]