255280280

素因数分解:

$2^3\times 5^1\times {\mathrm{6382007}}^1$

素因数の和:6382018

約数の個数: 16

約数和(自身を含む): 574380720

約数和(自身を除く): 319100440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6382007, 12764014, 25528028, 31910035, 51056056, 63820070, 127640140, 255280280]

約数ペア:

[(1, 255280280), (2, 127640140), (4, 63820070), (5, 51056056), (8, 31910035), (10, 25528028), (20, 12764014), (40, 6382007)]