28558760

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{7069}}^1$

素因数の和:7181

約数の個数: 32

約数和(自身を含む): 64902600

約数和(自身を除く): 36343840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 7069, 14138, 28276, 35345, 56552, 70690, 141380, 282760, 713969, 1427938, 2855876, 3569845, 5711752, 7139690, 14279380, 28558760]

約数ペア:

[(1, 28558760), (2, 14279380), (4, 7139690), (5, 5711752), (8, 3569845), (10, 2855876), (20, 1427938), (40, 713969), (101, 282760), (202, 141380), (404, 70690), (505, 56552), (808, 35345), (1010, 28276), (2020, 14138), (4040, 7069)]