390760880

素因数分解:

$2^4\times 5^1\times {\mathrm{4884511}}^1$

素因数の和:4884524

約数の個数: 20

約数和(自身を含む): 908519232

約数和(自身を除く): 517758352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4884511, 9769022, 19538044, 24422555, 39076088, 48845110, 78152176, 97690220, 195380440, 390760880]

約数ペア:

[(1, 390760880), (2, 195380440), (4, 97690220), (5, 78152176), (8, 48845110), (10, 39076088), (16, 24422555), (20, 19538044), (40, 9769022), (80, 4884511)]