28075960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{63809}}^1$

素因数の和:63831

約数の個数: 32

約数和(自身を含む): 68914800

約数和(自身を除く): 40838840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 63809, 127618, 255236, 319045, 510472, 638090, 701899, 1276180, 1403798, 2552360, 2807596, 3509495, 5615192, 7018990, 14037980, 28075960]

約数ペア:

[(1, 28075960), (2, 14037980), (4, 7018990), (5, 5615192), (8, 3509495), (10, 2807596), (11, 2552360), (20, 1403798), (22, 1276180), (40, 701899), (44, 638090), (55, 510472), (88, 319045), (110, 255236), (220, 127618), (440, 63809)]