63921260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{245851}}^1$

素因数の和:245873

約数の個数: 24

約数和(自身を含む): 144560976

約数和(自身を除く): 80639716

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 245851, 491702, 983404, 1229255, 2458510, 3196063, 4917020, 6392126, 12784252, 15980315, 31960630, 63921260]

約数ペア:

[(1, 63921260), (2, 31960630), (4, 15980315), (5, 12784252), (10, 6392126), (13, 4917020), (20, 3196063), (26, 2458510), (52, 1229255), (65, 983404), (130, 491702), (260, 245851)]