90028550

素因数分解:

$2^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{16519}}^1$

素因数の和:16640

約数の個数: 24

約数和(自身を含む): 168999600

約数和(自身を除く): 78971050

約数列:

[1, 2, 5, 10, 25, 50, 109, 218, 545, 1090, 2725, 5450, 16519, 33038, 82595, 165190, 412975, 825950, 1800571, 3601142, 9002855, 18005710, 45014275, 90028550]

約数ペア:

[(1, 90028550), (2, 45014275), (5, 18005710), (10, 9002855), (25, 3601142), (50, 1800571), (109, 825950), (218, 412975), (545, 165190), (1090, 82595), (2725, 33038), (5450, 16519)]