72840005

素因数分解:

$5^1\times 7^1\times {\mathrm{743}}^1\times {\mathrm{2801}}^1$

素因数の和:3556

約数の個数: 16

約数和(自身を含む): 100065024

約数和(自身を除く): 27225019

約数列:

[1, 5, 7, 35, 743, 2801, 3715, 5201, 14005, 19607, 26005, 98035, 2081143, 10405715, 14568001, 72840005]

約数ペア:

[(1, 72840005), (5, 14568001), (7, 10405715), (35, 2081143), (743, 98035), (2801, 26005), (3715, 19607), (5201, 14005)]