39981580

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{29837}}^1$

素因数の和:29913

約数の個数: 24

約数和(自身を含む): 85217328

約数和(自身を除く): 45235748

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 29837, 59674, 119348, 149185, 298370, 596740, 1999079, 3998158, 7996316, 9995395, 19990790, 39981580]

約数ペア:

[(1, 39981580), (2, 19990790), (4, 9995395), (5, 7996316), (10, 3998158), (20, 1999079), (67, 596740), (134, 298370), (268, 149185), (335, 119348), (670, 59674), (1340, 29837)]