870835480

素因数分解:

$2^3\times 5^1\times {\mathrm{1627}}^1\times {\mathrm{13381}}^1$

素因数の和:15019

約数の個数: 32

約数和(自身を含む): 1960730640

約数和(自身を除く): 1089895160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1627, 3254, 6508, 8135, 13016, 13381, 16270, 26762, 32540, 53524, 65080, 66905, 107048, 133810, 267620, 535240, 21770887, 43541774, 87083548, 108854435, 174167096, 217708870, 435417740, 870835480]

約数ペア:

[(1, 870835480), (2, 435417740), (4, 217708870), (5, 174167096), (8, 108854435), (10, 87083548), (20, 43541774), (40, 21770887), (1627, 535240), (3254, 267620), (6508, 133810), (8135, 107048), (13016, 66905), (13381, 65080), (16270, 53524), (26762, 32540)]