165712520

素因数分解:

$2^3\times 5^1\times {\mathrm{4142813}}^1$

素因数の和:4142824

約数の個数: 16

約数和(自身を含む): 372853260

約数和(自身を除く): 207140740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4142813, 8285626, 16571252, 20714065, 33142504, 41428130, 82856260, 165712520]

約数ペア:

[(1, 165712520), (2, 82856260), (4, 41428130), (5, 33142504), (8, 20714065), (10, 16571252), (20, 8285626), (40, 4142813)]