2019625925

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{443}}^1\times {\mathrm{631}}^1$

素因数の和:1118

約数の個数: 36

約数和(自身を含む): 2670546336

約数和(自身を除く): 650920411

約数列:

[1, 5, 17, 25, 85, 289, 425, 443, 631, 1445, 2215, 3155, 7225, 7531, 10727, 11075, 15775, 37655, 53635, 128027, 182359, 188275, 268175, 279533, 640135, 911795, 1397665, 3200675, 4558975, 4752061, 6988325, 23760305, 80785037, 118801525, 403925185, 2019625925]

約数ペア:

[(1, 2019625925), (5, 403925185), (17, 118801525), (25, 80785037), (85, 23760305), (289, 6988325), (425, 4752061), (443, 4558975), (631, 3200675), (1445, 1397665), (2215, 911795), (3155, 640135), (7225, 279533), (7531, 268175), (10727, 188275), (11075, 182359), (15775, 128027), (37655, 53635)]