25393540

素因数分解:

$2^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{2437}}^1$

素因数の和:2967

約数の個数: 24

約数和(自身を含む): 53450712

約数和(自身を除く): 28057172

約数列:

[1, 2, 4, 5, 10, 20, 521, 1042, 2084, 2437, 2605, 4874, 5210, 9748, 10420, 12185, 24370, 48740, 1269677, 2539354, 5078708, 6348385, 12696770, 25393540]

約数ペア:

[(1, 25393540), (2, 12696770), (4, 6348385), (5, 5078708), (10, 2539354), (20, 1269677), (521, 48740), (1042, 24370), (2084, 12185), (2437, 10420), (2605, 9748), (4874, 5210)]