22647880

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{2539}}^1$

素因数の和:2773

約数の個数: 32

約数和(自身を含む): 51206400

約数和(自身を除く): 28558520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 2539, 4460, 5078, 8920, 10156, 12695, 20312, 25390, 50780, 101560, 566197, 1132394, 2264788, 2830985, 4529576, 5661970, 11323940, 22647880]

約数ペア:

[(1, 22647880), (2, 11323940), (4, 5661970), (5, 4529576), (8, 2830985), (10, 2264788), (20, 1132394), (40, 566197), (223, 101560), (446, 50780), (892, 25390), (1115, 20312), (1784, 12695), (2230, 10156), (2539, 8920), (4460, 5078)]