1626888925625

素因数分解:

$5^4\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{645751}}^1$

素因数の和:645939

約数の個数: 40

約数和(自身を含む): 2118195710400

約数和(自身を除く): 491306784775

約数列:

[1, 5, 25, 29, 125, 139, 145, 625, 695, 725, 3475, 3625, 4031, 17375, 18125, 20155, 86875, 100775, 503875, 645751, 2519375, 3228755, 16143775, 18726779, 80718875, 89759389, 93633895, 403594375, 448796945, 468169475, 2243984725, 2340847375, 2603022281, 11219923625, 11704236875, 13015111405, 56099618125, 65075557025, 325377785125, 1626888925625]

約数ペア:

[(1, 1626888925625), (5, 325377785125), (25, 65075557025), (29, 56099618125), (125, 13015111405), (139, 11704236875), (145, 11219923625), (625, 2603022281), (695, 2340847375), (725, 2243984725), (3475, 468169475), (3625, 448796945), (4031, 403594375), (17375, 93633895), (18125, 89759389), (20155, 80718875), (86875, 18726779), (100775, 16143775), (503875, 3228755), (645751, 2519375)]