8890480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5849}}^1$

素因数の和:5881

約数の個数: 40

約数和(自身を含む): 21762000

約数和(自身を除く): 12871520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 5849, 11698, 23396, 29245, 46792, 58490, 93584, 111131, 116980, 222262, 233960, 444524, 467920, 555655, 889048, 1111310, 1778096, 2222620, 4445240, 8890480]

約数ペア:

[(1, 8890480), (2, 4445240), (4, 2222620), (5, 1778096), (8, 1111310), (10, 889048), (16, 555655), (19, 467920), (20, 444524), (38, 233960), (40, 222262), (76, 116980), (80, 111131), (95, 93584), (152, 58490), (190, 46792), (304, 29245), (380, 23396), (760, 11698), (1520, 5849)]