28500725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1699}}^1$

素因数の和:1781

約数の個数: 24

約数和(自身を含む): 39208800

約数和(自身を除く): 10708075

約数列:

[1, 5, 11, 25, 55, 61, 275, 305, 671, 1525, 1699, 3355, 8495, 16775, 18689, 42475, 93445, 103639, 467225, 518195, 1140029, 2590975, 5700145, 28500725]

約数ペア:

[(1, 28500725), (5, 5700145), (11, 2590975), (25, 1140029), (55, 518195), (61, 467225), (275, 103639), (305, 93445), (671, 42475), (1525, 18689), (1699, 16775), (3355, 8495)]