68879680

素因数分解:

$2^6\times 5^1\times {\mathrm{215249}}^1$

素因数の和:215266

約数の個数: 28

約数和(自身を含む): 164020500

約数和(自身を除く): 95140820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 215249, 430498, 860996, 1076245, 1721992, 2152490, 3443984, 4304980, 6887968, 8609960, 13775936, 17219920, 34439840, 68879680]

約数ペア:

[(1, 68879680), (2, 34439840), (4, 17219920), (5, 13775936), (8, 8609960), (10, 6887968), (16, 4304980), (20, 3443984), (32, 2152490), (40, 1721992), (64, 1076245), (80, 860996), (160, 430498), (320, 215249)]