231640280

素因数分解:

$2^3\times 5^1\times {\mathrm{5791007}}^1$

素因数の和:5791018

約数の個数: 16

約数和(自身を含む): 521190720

約数和(自身を除く): 289550440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5791007, 11582014, 23164028, 28955035, 46328056, 57910070, 115820140, 231640280]

約数ペア:

[(1, 231640280), (2, 115820140), (4, 57910070), (5, 46328056), (8, 28955035), (10, 23164028), (20, 11582014), (40, 5791007)]