22621240

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:272

約数の個数: 64

約数和(自身を含む): 52853760

約数和(自身を除く): 30232520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 73, 122, 127, 146, 244, 254, 292, 305, 365, 488, 508, 584, 610, 635, 730, 1016, 1220, 1270, 1460, 2440, 2540, 2920, 4453, 5080, 7747, 8906, 9271, 15494, 17812, 18542, 22265, 30988, 35624, 37084, 38735, 44530, 46355, 61976, 74168, 77470, 89060, 92710, 154940, 178120, 185420, 309880, 370840, 565531, 1131062, 2262124, 2827655, 4524248, 5655310, 11310620, 22621240]

約数ペア:

[(1, 22621240), (2, 11310620), (4, 5655310), (5, 4524248), (8, 2827655), (10, 2262124), (20, 1131062), (40, 565531), (61, 370840), (73, 309880), (122, 185420), (127, 178120), (146, 154940), (244, 92710), (254, 89060), (292, 77470), (305, 74168), (365, 61976), (488, 46355), (508, 44530), (584, 38735), (610, 37084), (635, 35624), (730, 30988), (1016, 22265), (1220, 18542), (1270, 17812), (1460, 15494), (2440, 9271), (2540, 8906), (2920, 7747), (4453, 5080)]