61724560

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{10867}}^1$

素因数の和:10951

約数の個数: 40

約数和(自身を含む): 145544256

約数和(自身を除く): 83819696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 10867, 21734, 43468, 54335, 86936, 108670, 173872, 217340, 434680, 771557, 869360, 1543114, 3086228, 3857785, 6172456, 7715570, 12344912, 15431140, 30862280, 61724560]

約数ペア:

[(1, 61724560), (2, 30862280), (4, 15431140), (5, 12344912), (8, 7715570), (10, 6172456), (16, 3857785), (20, 3086228), (40, 1543114), (71, 869360), (80, 771557), (142, 434680), (284, 217340), (355, 173872), (568, 108670), (710, 86936), (1136, 54335), (1420, 43468), (2840, 21734), (5680, 10867)]