68801560

素因数分解:

$2^3\times 5^1\times {\mathrm{1720039}}^1$

素因数の和:1720050

約数の個数: 16

約数和(自身を含む): 154803600

約数和(自身を除く): 86002040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1720039, 3440078, 6880156, 8600195, 13760312, 17200390, 34400780, 68801560]

約数ペア:

[(1, 68801560), (2, 34400780), (4, 17200390), (5, 13760312), (8, 8600195), (10, 6880156), (20, 3440078), (40, 1720039)]