16305680

素因数分解:

$2^4\times 5^1\times {\mathrm{203821}}^1$

素因数の和:203834

約数の個数: 20

約数和(自身を含む): 37910892

約数和(自身を除く): 21605212

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 203821, 407642, 815284, 1019105, 1630568, 2038210, 3261136, 4076420, 8152840, 16305680]

約数ペア:

[(1, 16305680), (2, 8152840), (4, 4076420), (5, 3261136), (8, 2038210), (10, 1630568), (16, 1019105), (20, 815284), (40, 407642), (80, 203821)]