72451100

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^2\times {\mathrm{431}}^1$

素因数の和:527

約数の個数: 54

約数和(自身を含む): 161520912

約数和(自身を除く): 89069812

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 431, 820, 862, 1025, 1681, 1724, 2050, 2155, 3362, 4100, 4310, 6724, 8405, 8620, 10775, 16810, 17671, 21550, 33620, 35342, 42025, 43100, 70684, 84050, 88355, 168100, 176710, 353420, 441775, 724511, 883550, 1449022, 1767100, 2898044, 3622555, 7245110, 14490220, 18112775, 36225550, 72451100]

約数ペア:

[(1, 72451100), (2, 36225550), (4, 18112775), (5, 14490220), (10, 7245110), (20, 3622555), (25, 2898044), (41, 1767100), (50, 1449022), (82, 883550), (100, 724511), (164, 441775), (205, 353420), (410, 176710), (431, 168100), (820, 88355), (862, 84050), (1025, 70684), (1681, 43100), (1724, 42025), (2050, 35342), (2155, 33620), (3362, 21550), (4100, 17671), (4310, 16810), (6724, 10775), (8405, 8620)]