30862280

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{10867}}^1$

素因数の和:10949

約数の個数: 32

約数和(自身を含む): 70424640

約数和(自身を除く): 39562360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 10867, 21734, 43468, 54335, 86936, 108670, 217340, 434680, 771557, 1543114, 3086228, 3857785, 6172456, 7715570, 15431140, 30862280]

約数ペア:

[(1, 30862280), (2, 15431140), (4, 7715570), (5, 6172456), (8, 3857785), (10, 3086228), (20, 1543114), (40, 771557), (71, 434680), (142, 217340), (284, 108670), (355, 86936), (568, 54335), (710, 43468), (1420, 21734), (2840, 10867)]