7859420

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2503}}^1$

素因数の和:2669

約数の個数: 24

約数和(自身を含む): 16616544

約数和(自身を除く): 8757124

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 2503, 3140, 5006, 10012, 12515, 25030, 50060, 392971, 785942, 1571884, 1964855, 3929710, 7859420]

約数ペア:

[(1, 7859420), (2, 3929710), (4, 1964855), (5, 1571884), (10, 785942), (20, 392971), (157, 50060), (314, 25030), (628, 12515), (785, 10012), (1570, 5006), (2503, 3140)]