53781320

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{4751}}^1$

素因数の和:5045

約数の個数: 32

約数和(自身を含む): 121461120

約数和(自身を除く): 67679800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 566, 1132, 1415, 2264, 2830, 4751, 5660, 9502, 11320, 19004, 23755, 38008, 47510, 95020, 190040, 1344533, 2689066, 5378132, 6722665, 10756264, 13445330, 26890660, 53781320]

約数ペア:

[(1, 53781320), (2, 26890660), (4, 13445330), (5, 10756264), (8, 6722665), (10, 5378132), (20, 2689066), (40, 1344533), (283, 190040), (566, 95020), (1132, 47510), (1415, 38008), (2264, 23755), (2830, 19004), (4751, 11320), (5660, 9502)]