2007447625

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{631}}^1\times {\mathrm{821}}^1$

素因数の和:1498

約数の個数: 32

約数和(自身を含む): 2593363968

約数和(自身を除く): 585916343

約数列:

[1, 5, 25, 31, 125, 155, 631, 775, 821, 3155, 3875, 4105, 15775, 19561, 20525, 25451, 78875, 97805, 102625, 127255, 489025, 518051, 636275, 2445125, 2590255, 3181375, 12951275, 16059581, 64756375, 80297905, 401489525, 2007447625]

約数ペア:

[(1, 2007447625), (5, 401489525), (25, 80297905), (31, 64756375), (125, 16059581), (155, 12951275), (631, 3181375), (775, 2590255), (821, 2445125), (3155, 636275), (3875, 518051), (4105, 489025), (15775, 127255), (19561, 102625), (20525, 97805), (25451, 78875)]