16999960

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2707}}^1$

素因数の和:2875

約数の個数: 32

約数和(自身を含む): 38507760

約数和(自身を除く): 21507800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 2707, 3140, 5414, 6280, 10828, 13535, 21656, 27070, 54140, 108280, 424999, 849998, 1699996, 2124995, 3399992, 4249990, 8499980, 16999960]

約数ペア:

[(1, 16999960), (2, 8499980), (4, 4249990), (5, 3399992), (8, 2124995), (10, 1699996), (20, 849998), (40, 424999), (157, 108280), (314, 54140), (628, 27070), (785, 21656), (1256, 13535), (1570, 10828), (2707, 6280), (3140, 5414)]