149728016080

素因数分解:

$2^4\times 5^1\times {\mathrm{1871600201}}^1$

素因数の和:1871600214

約数の個数: 20

約数和(自身を含む): 348117637572

約数和(自身を除く): 198389621492

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1871600201, 3743200402, 7486400804, 9358001005, 14972801608, 18716002010, 29945603216, 37432004020, 74864008040, 149728016080]

約数ペア:

[(1, 149728016080), (2, 74864008040), (4, 37432004020), (5, 29945603216), (8, 18716002010), (10, 14972801608), (16, 9358001005), (20, 7486400804), (40, 3743200402), (80, 1871600201)]