22246640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21391}}^1$

素因数の和:21417

約数の個数: 40

約数和(自身を含む): 55704768

約数和(自身を除く): 33458128

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 21391, 42782, 85564, 106955, 171128, 213910, 278083, 342256, 427820, 556166, 855640, 1112332, 1390415, 1711280, 2224664, 2780830, 4449328, 5561660, 11123320, 22246640]

約数ペア:

[(1, 22246640), (2, 11123320), (4, 5561660), (5, 4449328), (8, 2780830), (10, 2224664), (13, 1711280), (16, 1390415), (20, 1112332), (26, 855640), (40, 556166), (52, 427820), (65, 342256), (80, 278083), (104, 213910), (130, 171128), (208, 106955), (260, 85564), (520, 42782), (1040, 21391)]