68199080

素因数分解:

$2^3\times 5^1\times {\mathrm{557}}^1\times {\mathrm{3061}}^1$

素因数の和:3629

約数の個数: 32

約数和(自身を含む): 153773640

約数和(自身を除く): 85574560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 557, 1114, 2228, 2785, 3061, 4456, 5570, 6122, 11140, 12244, 15305, 22280, 24488, 30610, 61220, 122440, 1704977, 3409954, 6819908, 8524885, 13639816, 17049770, 34099540, 68199080]

約数ペア:

[(1, 68199080), (2, 34099540), (4, 17049770), (5, 13639816), (8, 8524885), (10, 6819908), (20, 3409954), (40, 1704977), (557, 122440), (1114, 61220), (2228, 30610), (2785, 24488), (3061, 22280), (4456, 15305), (5570, 12244), (6122, 11140)]