25690990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{2381}}^1$

素因数の和:2484

約数の個数: 32

約数和(自身を含む): 50422176

約数和(自身を除く): 24731186

約数列:

[1, 2, 5, 10, 13, 26, 65, 83, 130, 166, 415, 830, 1079, 2158, 2381, 4762, 5395, 10790, 11905, 23810, 30953, 61906, 154765, 197623, 309530, 395246, 988115, 1976230, 2569099, 5138198, 12845495, 25690990]

約数ペア:

[(1, 25690990), (2, 12845495), (5, 5138198), (10, 2569099), (13, 1976230), (26, 988115), (65, 395246), (83, 309530), (130, 197623), (166, 154765), (415, 61906), (830, 30953), (1079, 23810), (2158, 11905), (2381, 10790), (4762, 5395)]