22241680

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{6781}}^1$

素因数の和:6835

約数の個数: 40

約数和(自身を含む): 52980984

約数和(自身を除く): 30739304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 6781, 13562, 27124, 33905, 54248, 67810, 108496, 135620, 271240, 278021, 542480, 556042, 1112084, 1390105, 2224168, 2780210, 4448336, 5560420, 11120840, 22241680]

約数ペア:

[(1, 22241680), (2, 11120840), (4, 5560420), (5, 4448336), (8, 2780210), (10, 2224168), (16, 1390105), (20, 1112084), (40, 556042), (41, 542480), (80, 278021), (82, 271240), (164, 135620), (205, 108496), (328, 67810), (410, 54248), (656, 33905), (820, 27124), (1640, 13562), (3280, 6781)]