859644580

素因数分解:

$2^2\times 5^1\times {\mathrm{5009}}^1\times {\mathrm{8581}}^1$

素因数の和:13599

約数の個数: 24

約数和(自身を含む): 1805824440

約数和(自身を除く): 946179860

約数列:

[1, 2, 4, 5, 10, 20, 5009, 8581, 10018, 17162, 20036, 25045, 34324, 42905, 50090, 85810, 100180, 171620, 42982229, 85964458, 171928916, 214911145, 429822290, 859644580]

約数ペア:

[(1, 859644580), (2, 429822290), (4, 214911145), (5, 171928916), (10, 85964458), (20, 42982229), (5009, 171620), (8581, 100180), (10018, 85810), (17162, 50090), (20036, 42905), (25045, 34324)]