8119120

素因数分解:

$2^4\times 5^1\times {\mathrm{101489}}^1$

素因数の和:101502

約数の個数: 20

約数和(自身を含む): 18877140

約数和(自身を除く): 10758020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101489, 202978, 405956, 507445, 811912, 1014890, 1623824, 2029780, 4059560, 8119120]

約数ペア:

[(1, 8119120), (2, 4059560), (4, 2029780), (5, 1623824), (8, 1014890), (10, 811912), (16, 507445), (20, 405956), (40, 202978), (80, 101489)]