8499980

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2707}}^1$

素因数の和:2873

約数の個数: 24

約数和(自身を含む): 17970288

約数和(自身を除く): 9470308

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 2707, 3140, 5414, 10828, 13535, 27070, 54140, 424999, 849998, 1699996, 2124995, 4249990, 8499980]

約数ペア:

[(1, 8499980), (2, 4249990), (4, 2124995), (5, 1699996), (10, 849998), (20, 424999), (157, 54140), (314, 27070), (628, 13535), (785, 10828), (1570, 5414), (2707, 3140)]