68007880

素因数分解:

$2^3\times 5^1\times {\mathrm{1700197}}^1$

素因数の和:1700208

約数の個数: 16

約数和(自身を含む): 153017820

約数和(自身を除く): 85009940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1700197, 3400394, 6800788, 8500985, 13601576, 17001970, 34003940, 68007880]

約数ペア:

[(1, 68007880), (2, 34003940), (4, 17001970), (5, 13601576), (8, 8500985), (10, 6800788), (20, 3400394), (40, 1700197)]