8609420

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{5449}}^1$

素因数の和:5537

約数の個数: 24

約数和(自身を含む): 18312000

約数和(自身を除く): 9702580

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 5449, 10898, 21796, 27245, 54490, 108980, 430471, 860942, 1721884, 2152355, 4304710, 8609420]

約数ペア:

[(1, 8609420), (2, 4304710), (4, 2152355), (5, 1721884), (10, 860942), (20, 430471), (79, 108980), (158, 54490), (316, 27245), (395, 21796), (790, 10898), (1580, 5449)]