81317710

素因数分解:

$2^1\times 5^1\times {\mathrm{541}}^1\times {\mathrm{15031}}^1$

素因数の和:15579

約数の個数: 16

約数和(自身を含む): 146652192

約数和(自身を除く): 65334482

約数列:

[1, 2, 5, 10, 541, 1082, 2705, 5410, 15031, 30062, 75155, 150310, 8131771, 16263542, 40658855, 81317710]

約数ペア:

[(1, 81317710), (2, 40658855), (5, 16263542), (10, 8131771), (541, 150310), (1082, 75155), (2705, 30062), (5410, 15031)]