156980365480

素因数分解:

$2^3\times 5^1\times {\mathrm{3924509137}}^1$

素因数の和:3924509148

約数の個数: 16

約数和(自身を含む): 353205822420

約数和(自身を除く): 196225456940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3924509137, 7849018274, 15698036548, 19622545685, 31396073096, 39245091370, 78490182740, 156980365480]

約数ペア:

[(1, 156980365480), (2, 78490182740), (4, 39245091370), (5, 31396073096), (8, 19622545685), (10, 15698036548), (20, 7849018274), (40, 3924509137)]