126938440

素因数分解:

$2^3\times 5^1\times {\mathrm{661}}^1\times {\mathrm{4801}}^1$

素因数の和:5473

約数の個数: 32

約数和(自身を含む): 286103160

約数和(自身を除く): 159164720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 661, 1322, 2644, 3305, 4801, 5288, 6610, 9602, 13220, 19204, 24005, 26440, 38408, 48010, 96020, 192040, 3173461, 6346922, 12693844, 15867305, 25387688, 31734610, 63469220, 126938440]

約数ペア:

[(1, 126938440), (2, 63469220), (4, 31734610), (5, 25387688), (8, 15867305), (10, 12693844), (20, 6346922), (40, 3173461), (661, 192040), (1322, 96020), (2644, 48010), (3305, 38408), (4801, 26440), (5288, 24005), (6610, 19204), (9602, 13220)]