127730440

素因数分解:

$2^3\times 5^1\times {\mathrm{3193261}}^1$

素因数の和:3193272

約数の個数: 16

約数和(自身を含む): 287393580

約数和(自身を除く): 159663140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3193261, 6386522, 12773044, 15966305, 25546088, 31932610, 63865220, 127730440]

約数ペア:

[(1, 127730440), (2, 63865220), (4, 31932610), (5, 25546088), (8, 15966305), (10, 12773044), (20, 6386522), (40, 3193261)]