68168840

素因数分解:

$2^3\times 5^1\times {\mathrm{443}}^1\times {\mathrm{3847}}^1$

素因数の和:4301

約数の個数: 32

約数和(自身を含む): 153766080

約数和(自身を除く): 85597240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 443, 886, 1772, 2215, 3544, 3847, 4430, 7694, 8860, 15388, 17720, 19235, 30776, 38470, 76940, 153880, 1704221, 3408442, 6816884, 8521105, 13633768, 17042210, 34084420, 68168840]

約数ペア:

[(1, 68168840), (2, 34084420), (4, 17042210), (5, 13633768), (8, 8521105), (10, 6816884), (20, 3408442), (40, 1704221), (443, 153880), (886, 76940), (1772, 38470), (2215, 30776), (3544, 19235), (3847, 17720), (4430, 15388), (7694, 8860)]