20150120

素因数分解:

$2^3\times 5^1\times {\mathrm{503753}}^1$

素因数の和:503764

約数の個数: 16

約数和(自身を含む): 45337860

約数和(自身を除く): 25187740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503753, 1007506, 2015012, 2518765, 4030024, 5037530, 10075060, 20150120]

約数ペア:

[(1, 20150120), (2, 10075060), (4, 5037530), (5, 4030024), (8, 2518765), (10, 2015012), (20, 1007506), (40, 503753)]