90005320

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{7951}}^1$

素因数の和:8245

約数の個数: 32

約数和(自身を含む): 203253120

約数和(自身を除く): 113247800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 566, 1132, 1415, 2264, 2830, 5660, 7951, 11320, 15902, 31804, 39755, 63608, 79510, 159020, 318040, 2250133, 4500266, 9000532, 11250665, 18001064, 22501330, 45002660, 90005320]

約数ペア:

[(1, 90005320), (2, 45002660), (4, 22501330), (5, 18001064), (8, 11250665), (10, 9000532), (20, 4500266), (40, 2250133), (283, 318040), (566, 159020), (1132, 79510), (1415, 63608), (2264, 39755), (2830, 31804), (5660, 15902), (7951, 11320)]