11389520

素因数分解:

$2^4\times 5^1\times {\mathrm{142369}}^1$

素因数の和:142382

約数の個数: 20

約数和(自身を含む): 26480820

約数和(自身を除く): 15091300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 142369, 284738, 569476, 711845, 1138952, 1423690, 2277904, 2847380, 5694760, 11389520]

約数ペア:

[(1, 11389520), (2, 5694760), (4, 2847380), (5, 2277904), (8, 1423690), (10, 1138952), (16, 711845), (20, 569476), (40, 284738), (80, 142369)]