26872660

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{487}}^1$

素因数の和:616

約数の個数: 48

約数和(自身を含む): 59028480

約数和(自身を除く): 32155820

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 89, 124, 155, 178, 310, 356, 445, 487, 620, 890, 974, 1780, 1948, 2435, 2759, 4870, 5518, 9740, 11036, 13795, 15097, 27590, 30194, 43343, 55180, 60388, 75485, 86686, 150970, 173372, 216715, 301940, 433430, 866860, 1343633, 2687266, 5374532, 6718165, 13436330, 26872660]

約数ペア:

[(1, 26872660), (2, 13436330), (4, 6718165), (5, 5374532), (10, 2687266), (20, 1343633), (31, 866860), (62, 433430), (89, 301940), (124, 216715), (155, 173372), (178, 150970), (310, 86686), (356, 75485), (445, 60388), (487, 55180), (620, 43343), (890, 30194), (974, 27590), (1780, 15097), (1948, 13795), (2435, 11036), (2759, 9740), (4870, 5518)]