22345640

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{4019}}^1$

素因数の和:4169

約数の個数: 32

約数和(自身を含む): 50652000

約数和(自身を除く): 28306360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 4019, 5560, 8038, 16076, 20095, 32152, 40190, 80380, 160760, 558641, 1117282, 2234564, 2793205, 4469128, 5586410, 11172820, 22345640]

約数ペア:

[(1, 22345640), (2, 11172820), (4, 5586410), (5, 4469128), (8, 2793205), (10, 2234564), (20, 1117282), (40, 558641), (139, 160760), (278, 80380), (556, 40190), (695, 32152), (1112, 20095), (1390, 16076), (2780, 8038), (4019, 5560)]