22590280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1$

素因数の和:406

約数の個数: 64

約数和(自身を含む): 54432000

約数和(自身を除く): 31841720

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 139, 170, 239, 278, 340, 478, 556, 680, 695, 956, 1112, 1195, 1390, 1912, 2363, 2390, 2780, 4063, 4726, 4780, 5560, 8126, 9452, 9560, 11815, 16252, 18904, 20315, 23630, 32504, 33221, 40630, 47260, 66442, 81260, 94520, 132884, 162520, 166105, 265768, 332210, 564757, 664420, 1129514, 1328840, 2259028, 2823785, 4518056, 5647570, 11295140, 22590280]

約数ペア:

[(1, 22590280), (2, 11295140), (4, 5647570), (5, 4518056), (8, 2823785), (10, 2259028), (17, 1328840), (20, 1129514), (34, 664420), (40, 564757), (68, 332210), (85, 265768), (136, 166105), (139, 162520), (170, 132884), (239, 94520), (278, 81260), (340, 66442), (478, 47260), (556, 40630), (680, 33221), (695, 32504), (956, 23630), (1112, 20315), (1195, 18904), (1390, 16252), (1912, 11815), (2363, 9560), (2390, 9452), (2780, 8126), (4063, 5560), (4726, 4780)]