28201610

素因数分解:

$2^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{15581}}^1$

素因数の和:15769

約数の個数: 16

約数和(自身を含む): 51046632

約数和(自身を除く): 22845022

約数列:

[1, 2, 5, 10, 181, 362, 905, 1810, 15581, 31162, 77905, 155810, 2820161, 5640322, 14100805, 28201610]

約数ペア:

[(1, 28201610), (2, 14100805), (5, 5640322), (10, 2820161), (181, 155810), (362, 77905), (905, 31162), (1810, 15581)]