6639680

素因数分解:

$2^6\times 5^1\times {\mathrm{20749}}^1$

素因数の和:20766

約数の個数: 28

約数和(自身を含む): 15811500

約数和(自身を除く): 9171820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 20749, 41498, 82996, 103745, 165992, 207490, 331984, 414980, 663968, 829960, 1327936, 1659920, 3319840, 6639680]

約数ペア:

[(1, 6639680), (2, 3319840), (4, 1659920), (5, 1327936), (8, 829960), (10, 663968), (16, 414980), (20, 331984), (32, 207490), (40, 165992), (64, 103745), (80, 82996), (160, 41498), (320, 20749)]