15683120

素因数分解:

$2^4\times 5^1\times {\mathrm{196039}}^1$

素因数の和:196052

約数の個数: 20

約数和(自身を含む): 36463440

約数和(自身を除く): 20780320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 196039, 392078, 784156, 980195, 1568312, 1960390, 3136624, 3920780, 7841560, 15683120]

約数ペア:

[(1, 15683120), (2, 7841560), (4, 3920780), (5, 3136624), (8, 1960390), (10, 1568312), (16, 980195), (20, 784156), (40, 392078), (80, 196039)]