4450280

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1567}}^1$

素因数の和:1649

約数の個数: 32

約数和(自身を含む): 10160640

約数和(自身を除く): 5710360

約数列:

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

約数ペア:

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