25838220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{499}}^1\times {\mathrm{863}}^1$

素因数の和:1374

約数の個数: 48

約数和(自身を含む): 72576000

約数和(自身を除く): 46737780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 499, 863, 998, 1497, 1726, 1996, 2495, 2589, 2994, 3452, 4315, 4990, 5178, 5988, 7485, 8630, 9980, 10356, 12945, 14970, 17260, 25890, 29940, 51780, 430637, 861274, 1291911, 1722548, 2153185, 2583822, 4306370, 5167644, 6459555, 8612740, 12919110, 25838220]

約数ペア:

[(1, 25838220), (2, 12919110), (3, 8612740), (4, 6459555), (5, 5167644), (6, 4306370), (10, 2583822), (12, 2153185), (15, 1722548), (20, 1291911), (30, 861274), (60, 430637), (499, 51780), (863, 29940), (998, 25890), (1497, 17260), (1726, 14970), (1996, 12945), (2495, 10356), (2589, 9980), (2994, 8630), (3452, 7485), (4315, 5988), (4990, 5178)]