31085840

素因数分解:

$2^4\times 5^1\times {\mathrm{388573}}^1$

素因数の和:388586

約数の個数: 20

約数和(自身を含む): 72274764

約数和(自身を除く): 41188924

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 388573, 777146, 1554292, 1942865, 3108584, 3885730, 6217168, 7771460, 15542920, 31085840]

約数ペア:

[(1, 31085840), (2, 15542920), (4, 7771460), (5, 6217168), (8, 3885730), (10, 3108584), (16, 1942865), (20, 1554292), (40, 777146), (80, 388573)]