71375540

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{19717}}^1$

素因数の和:19907

約数の個数: 24

約数和(自身を含む): 150724392

約数和(自身を除く): 79348852

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 19717, 39434, 78868, 98585, 197170, 394340, 3568777, 7137554, 14275108, 17843885, 35687770, 71375540]

約数ペア:

[(1, 71375540), (2, 35687770), (4, 17843885), (5, 14275108), (10, 7137554), (20, 3568777), (181, 394340), (362, 197170), (724, 98585), (905, 78868), (1810, 39434), (3620, 19717)]