156968865880

素因数分解:

$2^3\times 5^1\times {\mathrm{3924221647}}^1$

素因数の和:3924221658

約数の個数: 16

約数和(自身を含む): 353179948320

約数和(自身を除く): 196211082440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3924221647, 7848443294, 15696886588, 19621108235, 31393773176, 39242216470, 78484432940, 156968865880]

約数ペア:

[(1, 156968865880), (2, 78484432940), (4, 39242216470), (5, 31393773176), (8, 19621108235), (10, 15696886588), (20, 7848443294), (40, 3924221647)]