56405780

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{419}}^1$

素因数の和:608

約数の個数: 48

約数和(自身を含む): 121927680

約数和(自身を除く): 65521900

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 127, 212, 254, 265, 419, 508, 530, 635, 838, 1060, 1270, 1676, 2095, 2540, 4190, 6731, 8380, 13462, 22207, 26924, 33655, 44414, 53213, 67310, 88828, 106426, 111035, 134620, 212852, 222070, 266065, 444140, 532130, 1064260, 2820289, 5640578, 11281156, 14101445, 28202890, 56405780]

約数ペア:

[(1, 56405780), (2, 28202890), (4, 14101445), (5, 11281156), (10, 5640578), (20, 2820289), (53, 1064260), (106, 532130), (127, 444140), (212, 266065), (254, 222070), (265, 212852), (419, 134620), (508, 111035), (530, 106426), (635, 88828), (838, 67310), (1060, 53213), (1270, 44414), (1676, 33655), (2095, 26924), (2540, 22207), (4190, 13462), (6731, 8380)]