22387880

素因数分解:

$2^3\times 5^1\times {\mathrm{631}}^1\times {\mathrm{887}}^1$

素因数の和:1529

約数の個数: 32

約数和(自身を含む): 50509440

約数和(自身を除く): 28121560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 631, 887, 1262, 1774, 2524, 3155, 3548, 4435, 5048, 6310, 7096, 8870, 12620, 17740, 25240, 35480, 559697, 1119394, 2238788, 2798485, 4477576, 5596970, 11193940, 22387880]

約数ペア:

[(1, 22387880), (2, 11193940), (4, 5596970), (5, 4477576), (8, 2798485), (10, 2238788), (20, 1119394), (40, 559697), (631, 35480), (887, 25240), (1262, 17740), (1774, 12620), (2524, 8870), (3155, 7096), (3548, 6310), (4435, 5048)]