7131054680

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1635563}}^1$

素因数の和:1635683

約数の個数: 32

約数和(自身を含む): 16192083600

約数和(自身を除く): 9061028920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 1635563, 3271126, 6542252, 8177815, 13084504, 16355630, 32711260, 65422520, 178276367, 356552734, 713105468, 891381835, 1426210936, 1782763670, 3565527340, 7131054680]

約数ペア:

[(1, 7131054680), (2, 3565527340), (4, 1782763670), (5, 1426210936), (8, 891381835), (10, 713105468), (20, 356552734), (40, 178276367), (109, 65422520), (218, 32711260), (436, 16355630), (545, 13084504), (872, 8177815), (1090, 6542252), (2180, 3271126), (4360, 1635563)]