13415750

素因数分解:

$2^1\times 5^3\times {\mathrm{103}}^1\times {\mathrm{521}}^1$

素因数の和:641

約数の個数: 32

約数和(自身を含む): 25406784

約数和(自身を除く): 11991034

約数列:

[1, 2, 5, 10, 25, 50, 103, 125, 206, 250, 515, 521, 1030, 1042, 2575, 2605, 5150, 5210, 12875, 13025, 25750, 26050, 53663, 65125, 107326, 130250, 268315, 536630, 1341575, 2683150, 6707875, 13415750]

約数ペア:

[(1, 13415750), (2, 6707875), (5, 2683150), (10, 1341575), (25, 536630), (50, 268315), (103, 130250), (125, 107326), (206, 65125), (250, 53663), (515, 26050), (521, 25750), (1030, 13025), (1042, 12875), (2575, 5210), (2605, 5150)]