8169200

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1571}}^1$

素因数の和:1602

約数の個数: 60

約数和(自身を含む): 21149688

約数和(自身を除く): 12980488

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 1571, 2600, 3142, 5200, 6284, 7855, 12568, 15710, 20423, 25136, 31420, 39275, 40846, 62840, 78550, 81692, 102115, 125680, 157100, 163384, 204230, 314200, 326768, 408460, 510575, 628400, 816920, 1021150, 1633840, 2042300, 4084600, 8169200]

約数ペア:

[(1, 8169200), (2, 4084600), (4, 2042300), (5, 1633840), (8, 1021150), (10, 816920), (13, 628400), (16, 510575), (20, 408460), (25, 326768), (26, 314200), (40, 204230), (50, 163384), (52, 157100), (65, 125680), (80, 102115), (100, 81692), (104, 78550), (130, 62840), (200, 40846), (208, 39275), (260, 31420), (325, 25136), (400, 20423), (520, 15710), (650, 12568), (1040, 7855), (1300, 6284), (1571, 5200), (2600, 3142)]