245811080

素因数分解:

$2^3\times 5^1\times {\mathrm{6145277}}^1$

素因数の和:6145288

約数の個数: 16

約数和(自身を含む): 553075020

約数和(自身を除く): 307263940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6145277, 12290554, 24581108, 30726385, 49162216, 61452770, 122905540, 245811080]

約数ペア:

[(1, 245811080), (2, 122905540), (4, 61452770), (5, 49162216), (8, 30726385), (10, 24581108), (20, 12290554), (40, 6145277)]