67439140

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{42683}}^1$

素因数の和:42771

約数の個数: 24

約数和(自身を含む): 143418240

約数和(自身を除く): 75979100

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 42683, 85366, 170732, 213415, 426830, 853660, 3371957, 6743914, 13487828, 16859785, 33719570, 67439140]

約数ペア:

[(1, 67439140), (2, 33719570), (4, 16859785), (5, 13487828), (10, 6743914), (20, 3371957), (79, 853660), (158, 426830), (316, 213415), (395, 170732), (790, 85366), (1580, 42683)]