131395240

素因数分解:

$2^3\times 5^1\times {\mathrm{857}}^1\times {\mathrm{3833}}^1$

素因数の和:4701

約数の個数: 32

約数和(自身を含む): 296061480

約数和(自身を除く): 164666240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 857, 1714, 3428, 3833, 4285, 6856, 7666, 8570, 15332, 17140, 19165, 30664, 34280, 38330, 76660, 153320, 3284881, 6569762, 13139524, 16424405, 26279048, 32848810, 65697620, 131395240]

約数ペア:

[(1, 131395240), (2, 65697620), (4, 32848810), (5, 26279048), (8, 16424405), (10, 13139524), (20, 6569762), (40, 3284881), (857, 153320), (1714, 76660), (3428, 38330), (3833, 34280), (4285, 30664), (6856, 19165), (7666, 17140), (8570, 15332)]