22212760

素因数分解:

$2^3\times 5^1\times {\mathrm{509}}^1\times {\mathrm{1091}}^1$

素因数の和:1611

約数の個数: 32

約数和(自身を含む): 50122800

約数和(自身を除く): 27910040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 509, 1018, 1091, 2036, 2182, 2545, 4072, 4364, 5090, 5455, 8728, 10180, 10910, 20360, 21820, 43640, 555319, 1110638, 2221276, 2776595, 4442552, 5553190, 11106380, 22212760]

約数ペア:

[(1, 22212760), (2, 11106380), (4, 5553190), (5, 4442552), (8, 2776595), (10, 2221276), (20, 1110638), (40, 555319), (509, 43640), (1018, 21820), (1091, 20360), (2036, 10910), (2182, 10180), (2545, 8728), (4072, 5455), (4364, 5090)]