157064680

素因数分解:

$2^3\times 5^1\times {\mathrm{881}}^1\times {\mathrm{4457}}^1$

素因数の和:5349

約数の個数: 32

約数和(自身を含む): 353876040

約数和(自身を除く): 196811360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 881, 1762, 3524, 4405, 4457, 7048, 8810, 8914, 17620, 17828, 22285, 35240, 35656, 44570, 89140, 178280, 3926617, 7853234, 15706468, 19633085, 31412936, 39266170, 78532340, 157064680]

約数ペア:

[(1, 157064680), (2, 78532340), (4, 39266170), (5, 31412936), (8, 19633085), (10, 15706468), (20, 7853234), (40, 3926617), (881, 178280), (1762, 89140), (3524, 44570), (4405, 35656), (4457, 35240), (7048, 22285), (8810, 17828), (8914, 17620)]