65984560

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{11617}}^1$

素因数の和:11701

約数の個数: 40

約数和(自身を含む): 155588256

約数和(自身を除く): 89603696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 11617, 23234, 46468, 58085, 92936, 116170, 185872, 232340, 464680, 824807, 929360, 1649614, 3299228, 4124035, 6598456, 8248070, 13196912, 16496140, 32992280, 65984560]

約数ペア:

[(1, 65984560), (2, 32992280), (4, 16496140), (5, 13196912), (8, 8248070), (10, 6598456), (16, 4124035), (20, 3299228), (40, 1649614), (71, 929360), (80, 824807), (142, 464680), (284, 232340), (355, 185872), (568, 116170), (710, 92936), (1136, 58085), (1420, 46468), (2840, 23234), (5680, 11617)]