1870551440

素因数分解:

$2^4\times 5^1\times {\mathrm{23381893}}^1$

素因数の和:23381906

約数の個数: 20

約数和(自身を含む): 4349032284

約数和(自身を除く): 2478480844

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 23381893, 46763786, 93527572, 116909465, 187055144, 233818930, 374110288, 467637860, 935275720, 1870551440]

約数ペア:

[(1, 1870551440), (2, 935275720), (4, 467637860), (5, 374110288), (8, 233818930), (10, 187055144), (16, 116909465), (20, 93527572), (40, 46763786), (80, 23381893)]