219623620

素因数分解:

$2^2\times 5^1\times {\mathrm{1031}}^1\times {\mathrm{10651}}^1$

素因数の和:11691

約数の個数: 24

約数和(自身を含む): 461700288

約数和(自身を除く): 242076668

約数列:

[1, 2, 4, 5, 10, 20, 1031, 2062, 4124, 5155, 10310, 10651, 20620, 21302, 42604, 53255, 106510, 213020, 10981181, 21962362, 43924724, 54905905, 109811810, 219623620]

約数ペア:

[(1, 219623620), (2, 109811810), (4, 54905905), (5, 43924724), (10, 21962362), (20, 10981181), (1031, 213020), (2062, 106510), (4124, 53255), (5155, 42604), (10310, 21302), (10651, 20620)]