31630810

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{40039}}^1$

素因数の和:40125

約数の個数: 16

約数和(自身を含む): 57657600

約数和(自身を除く): 26026790

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 40039, 80078, 200195, 400390, 3163081, 6326162, 15815405, 31630810]

約数ペア:

[(1, 31630810), (2, 15815405), (5, 6326162), (10, 3163081), (79, 400390), (158, 200195), (395, 80078), (790, 40039)]