25211140

素因数分解:

$2^2\times 5^1\times {\mathrm{563}}^1\times {\mathrm{2239}}^1$

素因数の和:2811

約数の個数: 24

約数和(自身を含む): 53061120

約数和(自身を除く): 27849980

約数列:

[1, 2, 4, 5, 10, 20, 563, 1126, 2239, 2252, 2815, 4478, 5630, 8956, 11195, 11260, 22390, 44780, 1260557, 2521114, 5042228, 6302785, 12605570, 25211140]

約数ペア:

[(1, 25211140), (2, 12605570), (4, 6302785), (5, 5042228), (10, 2521114), (20, 1260557), (563, 44780), (1126, 22390), (2239, 11260), (2252, 11195), (2815, 8956), (4478, 5630)]