87485680

素因数分解:

$2^4\times 5^1\times {\mathrm{1093571}}^1$

素因数の和:1093584

約数の個数: 20

約数和(自身を含む): 203404392

約数和(自身を除く): 115918712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1093571, 2187142, 4374284, 5467855, 8748568, 10935710, 17497136, 21871420, 43742840, 87485680]

約数ペア:

[(1, 87485680), (2, 43742840), (4, 21871420), (5, 17497136), (8, 10935710), (10, 8748568), (16, 5467855), (20, 4374284), (40, 2187142), (80, 1093571)]