79660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{569}}^1$

素因数の和:585

約数の個数: 24

約数和(自身を含む): 191520

約数和(自身を除く): 111860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 569, 1138, 2276, 2845, 3983, 5690, 7966, 11380, 15932, 19915, 39830, 79660]

約数ペア:

[(1, 79660), (2, 39830), (4, 19915), (5, 15932), (7, 11380), (10, 7966), (14, 5690), (20, 3983), (28, 2845), (35, 2276), (70, 1138), (140, 569)]