1235440

素因数分解:

$2^4\times 5^1\times {\mathrm{15443}}^1$

素因数の和:15456

約数の個数: 20

約数和(自身を含む): 2872584

約数和(自身を除く): 1637144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 15443, 30886, 61772, 77215, 123544, 154430, 247088, 308860, 617720, 1235440]

約数ペア:

[(1, 1235440), (2, 617720), (4, 308860), (5, 247088), (8, 154430), (10, 123544), (16, 77215), (20, 61772), (40, 30886), (80, 15443)]