22005880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{419}}^1$

素因数の和:544

約数の個数: 64

約数和(自身を含む): 53978400

約数和(自身を除く): 31972520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 101, 104, 130, 202, 260, 404, 419, 505, 520, 808, 838, 1010, 1313, 1676, 2020, 2095, 2626, 3352, 4040, 4190, 5252, 5447, 6565, 8380, 10504, 10894, 13130, 16760, 21788, 26260, 27235, 42319, 43576, 52520, 54470, 84638, 108940, 169276, 211595, 217880, 338552, 423190, 550147, 846380, 1100294, 1692760, 2200588, 2750735, 4401176, 5501470, 11002940, 22005880]

約数ペア:

[(1, 22005880), (2, 11002940), (4, 5501470), (5, 4401176), (8, 2750735), (10, 2200588), (13, 1692760), (20, 1100294), (26, 846380), (40, 550147), (52, 423190), (65, 338552), (101, 217880), (104, 211595), (130, 169276), (202, 108940), (260, 84638), (404, 54470), (419, 52520), (505, 43576), (520, 42319), (808, 27235), (838, 26260), (1010, 21788), (1313, 16760), (1676, 13130), (2020, 10894), (2095, 10504), (2626, 8380), (3352, 6565), (4040, 5447), (4190, 5252)]