56289025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 80217088

約数和(自身を除く): 23928063

約数列:

[1, 5, 13, 25, 31, 37, 65, 151, 155, 185, 325, 403, 481, 755, 775, 925, 1147, 1963, 2015, 2405, 3775, 4681, 5587, 5735, 9815, 10075, 12025, 14911, 23405, 27935, 28675, 49075, 60853, 72631, 74555, 117025, 139675, 173197, 304265, 363155, 372775, 865985, 1521325, 1815775, 2251561, 4329925, 11257805, 56289025]

約数ペア:

[(1, 56289025), (5, 11257805), (13, 4329925), (25, 2251561), (31, 1815775), (37, 1521325), (65, 865985), (151, 372775), (155, 363155), (185, 304265), (325, 173197), (403, 139675), (481, 117025), (755, 74555), (775, 72631), (925, 60853), (1147, 49075), (1963, 28675), (2015, 27935), (2405, 23405), (3775, 14911), (4681, 12025), (5587, 10075), (5735, 9815)]