42721925

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{389}}^1$

素因数の和:613

約数の個数: 24

約数和(自身を含む): 55710720

約数和(自身を除く): 12988795

約数列:

[1, 5, 23, 25, 115, 191, 389, 575, 955, 1945, 4393, 4775, 8947, 9725, 21965, 44735, 74299, 109825, 223675, 371495, 1708877, 1857475, 8544385, 42721925]

約数ペア:

[(1, 42721925), (5, 8544385), (23, 1857475), (25, 1708877), (115, 371495), (191, 223675), (389, 109825), (575, 74299), (955, 44735), (1945, 21965), (4393, 9725), (4775, 8947)]