160981880

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{39847}}^1$

素因数の和:39959

約数の個数: 32

約数和(自身を含む): 365804640

約数和(自身を除く): 204822760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 39847, 79694, 159388, 199235, 318776, 398470, 796940, 1593880, 4024547, 8049094, 16098188, 20122735, 32196376, 40245470, 80490940, 160981880]

約数ペア:

[(1, 160981880), (2, 80490940), (4, 40245470), (5, 32196376), (8, 20122735), (10, 16098188), (20, 8049094), (40, 4024547), (101, 1593880), (202, 796940), (404, 398470), (505, 318776), (808, 199235), (1010, 159388), (2020, 79694), (4040, 39847)]