30845960

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{7207}}^1$

素因数の和:7325

約数の個数: 32

約数和(自身を含む): 70061760

約数和(自身を除く): 39215800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 7207, 14414, 28828, 36035, 57656, 72070, 144140, 288280, 771149, 1542298, 3084596, 3855745, 6169192, 7711490, 15422980, 30845960]

約数ペア:

[(1, 30845960), (2, 15422980), (4, 7711490), (5, 6169192), (8, 3855745), (10, 3084596), (20, 1542298), (40, 771149), (107, 288280), (214, 144140), (428, 72070), (535, 57656), (856, 36035), (1070, 28828), (2140, 14414), (4280, 7207)]