8505680

素因数分解:

$2^4\times 5^1\times {\mathrm{106321}}^1$

素因数の和:106334

約数の個数: 20

約数和(自身を含む): 19775892

約数和(自身を除く): 11270212

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 106321, 212642, 425284, 531605, 850568, 1063210, 1701136, 2126420, 4252840, 8505680]

約数ペア:

[(1, 8505680), (2, 4252840), (4, 2126420), (5, 1701136), (8, 1063210), (10, 850568), (16, 531605), (20, 425284), (40, 212642), (80, 106321)]