31630790

素因数分解:

$2^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{20147}}^1$

素因数の和:20311

約数の個数: 16

約数和(自身を含む): 57300912

約数和(自身を除く): 25670122

約数列:

[1, 2, 5, 10, 157, 314, 785, 1570, 20147, 40294, 100735, 201470, 3163079, 6326158, 15815395, 31630790]

約数ペア:

[(1, 31630790), (2, 15815395), (5, 6326158), (10, 3163079), (157, 201470), (314, 100735), (785, 40294), (1570, 20147)]