15741680

素因数分解:

$2^4\times 5^1\times {\mathrm{196771}}^1$

素因数の和:196784

約数の個数: 20

約数和(自身を含む): 36599592

約数和(自身を除く): 20857912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 196771, 393542, 787084, 983855, 1574168, 1967710, 3148336, 3935420, 7870840, 15741680]

約数ペア:

[(1, 15741680), (2, 7870840), (4, 3935420), (5, 3148336), (8, 1967710), (10, 1574168), (16, 983855), (20, 787084), (40, 393542), (80, 196771)]