127803020

素因数分解:

$2^2\times 5^1\times {\mathrm{971}}^1\times {\mathrm{6581}}^1$

素因数の和:7561

約数の個数: 24

約数和(自身を含む): 268703568

約数和(自身を除く): 140900548

約数列:

[1, 2, 4, 5, 10, 20, 971, 1942, 3884, 4855, 6581, 9710, 13162, 19420, 26324, 32905, 65810, 131620, 6390151, 12780302, 25560604, 31950755, 63901510, 127803020]

約数ペア:

[(1, 127803020), (2, 63901510), (4, 31950755), (5, 25560604), (10, 12780302), (20, 6390151), (971, 131620), (1942, 65810), (3884, 32905), (4855, 26324), (6581, 19420), (9710, 13162)]