51312020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{88469}}^1$

素因数の和:88507

約数の個数: 24

約数和(自身を含む): 111472200

約数和(自身を除く): 60160180

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 88469, 176938, 353876, 442345, 884690, 1769380, 2565601, 5131202, 10262404, 12828005, 25656010, 51312020]

約数ペア:

[(1, 51312020), (2, 25656010), (4, 12828005), (5, 10262404), (10, 5131202), (20, 2565601), (29, 1769380), (58, 884690), (116, 442345), (145, 353876), (290, 176938), (580, 88469)]