8900560

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1567}}^1$

素因数の和:1651

約数の個数: 40

約数和(自身を含む): 20998656

約数和(自身を除く): 12098096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 1567, 2840, 3134, 5680, 6268, 7835, 12536, 15670, 25072, 31340, 62680, 111257, 125360, 222514, 445028, 556285, 890056, 1112570, 1780112, 2225140, 4450280, 8900560]

約数ペア:

[(1, 8900560), (2, 4450280), (4, 2225140), (5, 1780112), (8, 1112570), (10, 890056), (16, 556285), (20, 445028), (40, 222514), (71, 125360), (80, 111257), (142, 62680), (284, 31340), (355, 25072), (568, 15670), (710, 12536), (1136, 7835), (1420, 6268), (1567, 5680), (2840, 3134)]