25123216

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{25741}}^1$

素因数の和:25810

約数の個数: 20

約数和(自身を含む): 49476124

約数和(自身を除く): 24352908

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 25741, 51482, 102964, 205928, 411856, 1570201, 3140402, 6280804, 12561608, 25123216]

約数ペア:

[(1, 25123216), (2, 12561608), (4, 6280804), (8, 3140402), (16, 1570201), (61, 411856), (122, 205928), (244, 102964), (488, 51482), (976, 25741)]