156907770520

素因数分解:

$2^3\times 5^1\times {\mathrm{3922694263}}^1$

素因数の和:3922694274

約数の個数: 16

約数和(自身を含む): 353042483760

約数和(自身を除く): 196134713240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3922694263, 7845388526, 15690777052, 19613471315, 31381554104, 39226942630, 78453885260, 156907770520]

約数ペア:

[(1, 156907770520), (2, 78453885260), (4, 39226942630), (5, 31381554104), (8, 19613471315), (10, 15690777052), (20, 7845388526), (40, 3922694263)]