68064440

素因数分解:

$2^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{6143}}^1$

素因数の和:6431

約数の個数: 32

約数和(自身を含む): 153722880

約数和(自身を除く): 85658440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 277, 554, 1108, 1385, 2216, 2770, 5540, 6143, 11080, 12286, 24572, 30715, 49144, 61430, 122860, 245720, 1701611, 3403222, 6806444, 8508055, 13612888, 17016110, 34032220, 68064440]

約数ペア:

[(1, 68064440), (2, 34032220), (4, 17016110), (5, 13612888), (8, 8508055), (10, 6806444), (20, 3403222), (40, 1701611), (277, 245720), (554, 122860), (1108, 61430), (1385, 49144), (2216, 30715), (2770, 24572), (5540, 12286), (6143, 11080)]