86910440

素因数分解:

$2^3\times 5^1\times {\mathrm{2172761}}^1$

素因数の和:2172772

約数の個数: 16

約数和(自身を含む): 195548580

約数和(自身を除く): 108638140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2172761, 4345522, 8691044, 10863805, 17382088, 21727610, 43455220, 86910440]

約数ペア:

[(1, 86910440), (2, 43455220), (4, 21727610), (5, 17382088), (8, 10863805), (10, 8691044), (20, 4345522), (40, 2172761)]