15698949680

素因数分解:

$2^4\times 5^1\times {\mathrm{196236871}}^1$

素因数の和:196236884

約数の個数: 20

約数和(自身を含む): 36500058192

約数和(自身を除く): 20801108512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 196236871, 392473742, 784947484, 981184355, 1569894968, 1962368710, 3139789936, 3924737420, 7849474840, 15698949680]

約数ペア:

[(1, 15698949680), (2, 7849474840), (4, 3924737420), (5, 3139789936), (8, 1962368710), (10, 1569894968), (16, 981184355), (20, 784947484), (40, 392473742), (80, 196236871)]