38692295140

素因数分解:

$2^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{2990131}}^1$

素因数の和:2990787

約数の個数: 24

約数和(自身を含む): 81379432512

約数和(自身を除く): 42687137372

約数列:

[1, 2, 4, 5, 10, 20, 647, 1294, 2588, 3235, 6470, 12940, 2990131, 5980262, 11960524, 14950655, 29901310, 59802620, 1934614757, 3869229514, 7738459028, 9673073785, 19346147570, 38692295140]

約数ペア:

[(1, 38692295140), (2, 19346147570), (4, 9673073785), (5, 7738459028), (10, 3869229514), (20, 1934614757), (647, 59802620), (1294, 29901310), (2588, 14950655), (3235, 11960524), (6470, 5980262), (12940, 2990131)]