11185520

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1571}}^1$

素因数の和:1673

約数の個数: 40

約数和(自身を含む): 26315280

約数和(自身を除く): 15129760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1571, 1780, 3142, 3560, 6284, 7120, 7855, 12568, 15710, 25136, 31420, 62840, 125680, 139819, 279638, 559276, 699095, 1118552, 1398190, 2237104, 2796380, 5592760, 11185520]

約数ペア:

[(1, 11185520), (2, 5592760), (4, 2796380), (5, 2237104), (8, 1398190), (10, 1118552), (16, 699095), (20, 559276), (40, 279638), (80, 139819), (89, 125680), (178, 62840), (356, 31420), (445, 25136), (712, 15710), (890, 12568), (1424, 7855), (1571, 7120), (1780, 6284), (3142, 3560)]