155280280

素因数分解:

$2^3\times 5^1\times {\mathrm{3882007}}^1$

素因数の和:3882018

約数の個数: 16

約数和(自身を含む): 349380720

約数和(自身を除く): 194100440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3882007, 7764014, 15528028, 19410035, 31056056, 38820070, 77640140, 155280280]

約数ペア:

[(1, 155280280), (2, 77640140), (4, 38820070), (5, 31056056), (8, 19410035), (10, 15528028), (20, 7764014), (40, 3882007)]