13870820

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{8779}}^1$

素因数の和:8867

約数の個数: 24

約数和(自身を含む): 29500800

約数和(自身を除く): 15629980

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 8779, 17558, 35116, 43895, 87790, 175580, 693541, 1387082, 2774164, 3467705, 6935410, 13870820]

約数ペア:

[(1, 13870820), (2, 6935410), (4, 3467705), (5, 2774164), (10, 1387082), (20, 693541), (79, 175580), (158, 87790), (316, 43895), (395, 35116), (790, 17558), (1580, 8779)]