28118210

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{68581}}^1$

素因数の和:68629

約数の個数: 16

約数和(自身を含む): 51847992

約数和(自身を除く): 23729782

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 68581, 137162, 342905, 685810, 2811821, 5623642, 14059105, 28118210]

約数ペア:

[(1, 28118210), (2, 14059105), (5, 5623642), (10, 2811821), (41, 685810), (82, 342905), (205, 137162), (410, 68581)]