156980982440

素因数分解:

$2^3\times 5^1\times {\mathrm{3924524561}}^1$

素因数の和:3924524572

約数の個数: 16

約数和(自身を含む): 353207210580

約数和(自身を除く): 196226228140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3924524561, 7849049122, 15698098244, 19622622805, 31396196488, 39245245610, 78490491220, 156980982440]

約数ペア:

[(1, 156980982440), (2, 78490491220), (4, 39245245610), (5, 31396196488), (8, 19622622805), (10, 15698098244), (20, 7849049122), (40, 3924524561)]