39748640

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3499}}^1$

素因数の和:3585

約数の個数: 48

約数和(自身を含む): 95256000

約数和(自身を除く): 55507360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1420, 2272, 2840, 3499, 5680, 6998, 11360, 13996, 17495, 27992, 34990, 55984, 69980, 111968, 139960, 248429, 279920, 496858, 559840, 993716, 1242145, 1987432, 2484290, 3974864, 4968580, 7949728, 9937160, 19874320, 39748640]

約数ペア:

[(1, 39748640), (2, 19874320), (4, 9937160), (5, 7949728), (8, 4968580), (10, 3974864), (16, 2484290), (20, 1987432), (32, 1242145), (40, 993716), (71, 559840), (80, 496858), (142, 279920), (160, 248429), (284, 139960), (355, 111968), (568, 69980), (710, 55984), (1136, 34990), (1420, 27992), (2272, 17495), (2840, 13996), (3499, 11360), (5680, 6998)]