22171760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21319}}^1$

素因数の和:21345

約数の個数: 40

約数和(自身を含む): 55517280

約数和(自身を除く): 33345520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 21319, 42638, 85276, 106595, 170552, 213190, 277147, 341104, 426380, 554294, 852760, 1108588, 1385735, 1705520, 2217176, 2771470, 4434352, 5542940, 11085880, 22171760]

約数ペア:

[(1, 22171760), (2, 11085880), (4, 5542940), (5, 4434352), (8, 2771470), (10, 2217176), (13, 1705520), (16, 1385735), (20, 1108588), (26, 852760), (40, 554294), (52, 426380), (65, 341104), (80, 277147), (104, 213190), (130, 170552), (208, 106595), (260, 85276), (520, 42638), (1040, 21319)]