13988897240

素因数分解:

$2^3\times 5^1\times {\mathrm{673}}^1\times {\mathrm{519647}}^1$

素因数の和:520331

約数の個数: 32

約数和(自身を含む): 31521847680

約数和(自身を除く): 17532950440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 673, 1346, 2692, 3365, 5384, 6730, 13460, 26920, 519647, 1039294, 2078588, 2598235, 4157176, 5196470, 10392940, 20785880, 349722431, 699444862, 1398889724, 1748612155, 2797779448, 3497224310, 6994448620, 13988897240]

約数ペア:

[(1, 13988897240), (2, 6994448620), (4, 3497224310), (5, 2797779448), (8, 1748612155), (10, 1398889724), (20, 699444862), (40, 349722431), (673, 20785880), (1346, 10392940), (2692, 5196470), (3365, 4157176), (5384, 2598235), (6730, 2078588), (13460, 1039294), (26920, 519647)]