8318480

素因数分解:

$2^4\times 5^1\times {\mathrm{103981}}^1$

素因数の和:103994

約数の個数: 20

約数和(自身を含む): 19340652

約数和(自身を除く): 11022172

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103981, 207962, 415924, 519905, 831848, 1039810, 1663696, 2079620, 4159240, 8318480]

約数ペア:

[(1, 8318480), (2, 4159240), (4, 2079620), (5, 1663696), (8, 1039810), (10, 831848), (16, 519905), (20, 415924), (40, 207962), (80, 103981)]