71219780

素因数分解:

$2^2\times 5^1\times {\mathrm{283}}^1\times {\mathrm{12583}}^1$

素因数の和:12875

約数の個数: 24

約数和(自身を含む): 150101952

約数和(自身を除く): 78882172

約数列:

[1, 2, 4, 5, 10, 20, 283, 566, 1132, 1415, 2830, 5660, 12583, 25166, 50332, 62915, 125830, 251660, 3560989, 7121978, 14243956, 17804945, 35609890, 71219780]

約数ペア:

[(1, 71219780), (2, 35609890), (4, 17804945), (5, 14243956), (10, 7121978), (20, 3560989), (283, 251660), (566, 125830), (1132, 62915), (1415, 50332), (2830, 25166), (5660, 12583)]