8688820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1171}}^1$

素因数の和:1240

約数の個数: 48

約数和(自身を含む): 21264768

約数和(自身を除く): 12575948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 371, 530, 742, 1060, 1171, 1484, 1855, 2342, 3710, 4684, 5855, 7420, 8197, 11710, 16394, 23420, 32788, 40985, 62063, 81970, 124126, 163940, 248252, 310315, 434441, 620630, 868882, 1241260, 1737764, 2172205, 4344410, 8688820]

約数ペア:

[(1, 8688820), (2, 4344410), (4, 2172205), (5, 1737764), (7, 1241260), (10, 868882), (14, 620630), (20, 434441), (28, 310315), (35, 248252), (53, 163940), (70, 124126), (106, 81970), (140, 62063), (212, 40985), (265, 32788), (371, 23420), (530, 16394), (742, 11710), (1060, 8197), (1171, 7420), (1484, 5855), (1855, 4684), (2342, 3710)]