86421320

素因数分解:

$2^3\times 5^1\times {\mathrm{2160533}}^1$

素因数の和:2160544

約数の個数: 16

約数和(自身を含む): 194448060

約数和(自身を除く): 108026740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2160533, 4321066, 8642132, 10802665, 17284264, 21605330, 43210660, 86421320]

約数ペア:

[(1, 86421320), (2, 43210660), (4, 21605330), (5, 17284264), (8, 10802665), (10, 8642132), (20, 4321066), (40, 2160533)]