71739260

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{36979}}^1$

素因数の和:37085

約数の個数: 24

約数和(自身を含む): 152209680

約数和(自身を除く): 80470420

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 36979, 73958, 147916, 184895, 369790, 739580, 3586963, 7173926, 14347852, 17934815, 35869630, 71739260]

約数ペア:

[(1, 71739260), (2, 35869630), (4, 17934815), (5, 14347852), (10, 7173926), (20, 3586963), (97, 739580), (194, 369790), (388, 184895), (485, 147916), (970, 73958), (1940, 36979)]