8161840

素因数分解:

$2^4\times 5^1\times {\mathrm{102023}}^1$

素因数の和:102036

約数の個数: 20

約数和(自身を含む): 18976464

約数和(自身を除く): 10814624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 102023, 204046, 408092, 510115, 816184, 1020230, 1632368, 2040460, 4080920, 8161840]

約数ペア:

[(1, 8161840), (2, 4080920), (4, 2040460), (5, 1632368), (8, 1020230), (10, 816184), (16, 510115), (20, 408092), (40, 204046), (80, 102023)]