259820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1181}}^1$

素因数の和:1201

約数の個数: 24

約数和(自身を含む): 595728

約数和(自身を除く): 335908

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1181, 2362, 4724, 5905, 11810, 12991, 23620, 25982, 51964, 64955, 129910, 259820]

約数ペア:

[(1, 259820), (2, 129910), (4, 64955), (5, 51964), (10, 25982), (11, 23620), (20, 12991), (22, 11810), (44, 5905), (55, 4724), (110, 2362), (220, 1181)]