38564420

素因数分解:

$2^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{3701}}^1$

素因数の和:4231

約数の個数: 24

約数和(自身を含む): 81162648

約数和(自身を除く): 42598228

約数列:

[1, 2, 4, 5, 10, 20, 521, 1042, 2084, 2605, 3701, 5210, 7402, 10420, 14804, 18505, 37010, 74020, 1928221, 3856442, 7712884, 9641105, 19282210, 38564420]

約数ペア:

[(1, 38564420), (2, 19282210), (4, 9641105), (5, 7712884), (10, 3856442), (20, 1928221), (521, 74020), (1042, 37010), (2084, 18505), (2605, 14804), (3701, 10420), (5210, 7402)]