68720030

素因数分解:

$2^1\times 5^1\times {\mathrm{673}}^1\times {\mathrm{10211}}^1$

素因数の和:10891

約数の個数: 16

約数和(自身を含む): 123891984

約数和(自身を除く): 55171954

約数列:

[1, 2, 5, 10, 673, 1346, 3365, 6730, 10211, 20422, 51055, 102110, 6872003, 13744006, 34360015, 68720030]

約数ペア:

[(1, 68720030), (2, 34360015), (5, 13744006), (10, 6872003), (673, 102110), (1346, 51055), (3365, 20422), (6730, 10211)]