22628440

素因数分解:

$2^3\times 5^1\times {\mathrm{443}}^1\times {\mathrm{1277}}^1$

素因数の和:1731

約数の個数: 32

約数和(自身を含む): 51068880

約数和(自身を除く): 28440440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 443, 886, 1277, 1772, 2215, 2554, 3544, 4430, 5108, 6385, 8860, 10216, 12770, 17720, 25540, 51080, 565711, 1131422, 2262844, 2828555, 4525688, 5657110, 11314220, 22628440]

約数ペア:

[(1, 22628440), (2, 11314220), (4, 5657110), (5, 4525688), (8, 2828555), (10, 2262844), (20, 1131422), (40, 565711), (443, 51080), (886, 25540), (1277, 17720), (1772, 12770), (2215, 10216), (2554, 8860), (3544, 6385), (4430, 5108)]