2013980180

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1274671}}^1$

素因数の和:1274759

約数の個数: 24

約数和(自身を含む): 4282897920

約数和(自身を除く): 2268917740

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 1274671, 2549342, 5098684, 6373355, 12746710, 25493420, 100699009, 201398018, 402796036, 503495045, 1006990090, 2013980180]

約数ペア:

[(1, 2013980180), (2, 1006990090), (4, 503495045), (5, 402796036), (10, 201398018), (20, 100699009), (79, 25493420), (158, 12746710), (316, 6373355), (395, 5098684), (790, 2549342), (1580, 1274671)]