39757160

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{13999}}^1$

素因数の和:14081

約数の個数: 32

約数和(自身を含む): 90720000

約数和(自身を除く): 50962840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 13999, 27998, 55996, 69995, 111992, 139990, 279980, 559960, 993929, 1987858, 3975716, 4969645, 7951432, 9939290, 19878580, 39757160]

約数ペア:

[(1, 39757160), (2, 19878580), (4, 9939290), (5, 7951432), (8, 4969645), (10, 3975716), (20, 1987858), (40, 993929), (71, 559960), (142, 279980), (284, 139990), (355, 111992), (568, 69995), (710, 55996), (1420, 27998), (2840, 13999)]