137075240

素因数分解:

$2^3\times 5^1\times {\mathrm{431}}^1\times {\mathrm{7951}}^1$

素因数の和:8393

約数の個数: 32

約数和(自身を含む): 309173760

約数和(自身を除く): 172098520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 431, 862, 1724, 2155, 3448, 4310, 7951, 8620, 15902, 17240, 31804, 39755, 63608, 79510, 159020, 318040, 3426881, 6853762, 13707524, 17134405, 27415048, 34268810, 68537620, 137075240]

約数ペア:

[(1, 137075240), (2, 68537620), (4, 34268810), (5, 27415048), (8, 17134405), (10, 13707524), (20, 6853762), (40, 3426881), (431, 318040), (862, 159020), (1724, 79510), (2155, 63608), (3448, 39755), (4310, 31804), (7951, 17240), (8620, 15902)]