28607825

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{263}}^1$

素因数の和:521

約数の個数: 24

約数和(自身を含む): 37646400

約数和(自身を除く): 9038575

約数列:

[1, 5, 19, 25, 95, 229, 263, 475, 1145, 1315, 4351, 4997, 5725, 6575, 21755, 24985, 60227, 108775, 124925, 301135, 1144313, 1505675, 5721565, 28607825]

約数ペア:

[(1, 28607825), (5, 5721565), (19, 1505675), (25, 1144313), (95, 301135), (229, 124925), (263, 108775), (475, 60227), (1145, 24985), (1315, 21755), (4351, 6575), (4997, 5725)]