22681040

素因数分解:

$2^4\times 5^1\times {\mathrm{509}}^1\times {\mathrm{557}}^1$

素因数の和:1079

約数の個数: 40

約数和(自身を含む): 52931880

約数和(自身を除く): 30250840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 509, 557, 1018, 1114, 2036, 2228, 2545, 2785, 4072, 4456, 5090, 5570, 8144, 8912, 10180, 11140, 20360, 22280, 40720, 44560, 283513, 567026, 1134052, 1417565, 2268104, 2835130, 4536208, 5670260, 11340520, 22681040]

約数ペア:

[(1, 22681040), (2, 11340520), (4, 5670260), (5, 4536208), (8, 2835130), (10, 2268104), (16, 1417565), (20, 1134052), (40, 567026), (80, 283513), (509, 44560), (557, 40720), (1018, 22280), (1114, 20360), (2036, 11140), (2228, 10180), (2545, 8912), (2785, 8144), (4072, 5570), (4456, 5090)]