26839240

素因数分解:

$2^3\times 5^1\times {\mathrm{673}}^1\times {\mathrm{997}}^1$

素因数の和:1681

約数の個数: 32

約数和(自身を含む): 60538680

約数和(自身を除く): 33699440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 673, 997, 1346, 1994, 2692, 3365, 3988, 4985, 5384, 6730, 7976, 9970, 13460, 19940, 26920, 39880, 670981, 1341962, 2683924, 3354905, 5367848, 6709810, 13419620, 26839240]

約数ペア:

[(1, 26839240), (2, 13419620), (4, 6709810), (5, 5367848), (8, 3354905), (10, 2683924), (20, 1341962), (40, 670981), (673, 39880), (997, 26920), (1346, 19940), (1994, 13460), (2692, 9970), (3365, 7976), (3988, 6730), (4985, 5384)]