64648280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{95071}}^1$

素因数の和:95099

約数の個数: 32

約数和(自身を含む): 154016640

約数和(自身を除く): 89368360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 95071, 190142, 380284, 475355, 760568, 950710, 1616207, 1901420, 3232414, 3802840, 6464828, 8081035, 12929656, 16162070, 32324140, 64648280]

約数ペア:

[(1, 64648280), (2, 32324140), (4, 16162070), (5, 12929656), (8, 8081035), (10, 6464828), (17, 3802840), (20, 3232414), (34, 1901420), (40, 1616207), (68, 950710), (85, 760568), (136, 475355), (170, 380284), (340, 190142), (680, 95071)]