81629660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{583069}}^1$

素因数の和:583085

約数の個数: 24

約数和(自身を含む): 195911520

約数和(自身を除く): 114281860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 583069, 1166138, 2332276, 2915345, 4081483, 5830690, 8162966, 11661380, 16325932, 20407415, 40814830, 81629660]

約数ペア:

[(1, 81629660), (2, 40814830), (4, 20407415), (5, 16325932), (7, 11661380), (10, 8162966), (14, 5830690), (20, 4081483), (28, 2915345), (35, 2332276), (70, 1166138), (140, 583069)]