7925020

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5581}}^1$

素因数の和:5661

約数の個数: 24

約数和(自身を含む): 16879968

約数和(自身を除く): 8954948

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 5581, 11162, 22324, 27905, 55810, 111620, 396251, 792502, 1585004, 1981255, 3962510, 7925020]

約数ペア:

[(1, 7925020), (2, 3962510), (4, 1981255), (5, 1585004), (10, 792502), (20, 396251), (71, 111620), (142, 55810), (284, 27905), (355, 22324), (710, 11162), (1420, 5581)]