12783440

素因数分解:

$2^4\times 5^1\times {\mathrm{159793}}^1$

素因数の和:159806

約数の個数: 20

約数和(自身を含む): 29721684

約数和(自身を除く): 16938244

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 159793, 319586, 639172, 798965, 1278344, 1597930, 2556688, 3195860, 6391720, 12783440]

約数ペア:

[(1, 12783440), (2, 6391720), (4, 3195860), (5, 2556688), (8, 1597930), (10, 1278344), (16, 798965), (20, 639172), (40, 319586), (80, 159793)]