78906440

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{23767}}^1$

素因数の和:23861

約数の個数: 32

約数和(自身を含む): 179686080

約数和(自身を除く): 100779640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 23767, 47534, 95068, 118835, 190136, 237670, 475340, 950680, 1972661, 3945322, 7890644, 9863305, 15781288, 19726610, 39453220, 78906440]

約数ペア:

[(1, 78906440), (2, 39453220), (4, 19726610), (5, 15781288), (8, 9863305), (10, 7890644), (20, 3945322), (40, 1972661), (83, 950680), (166, 475340), (332, 237670), (415, 190136), (664, 118835), (830, 95068), (1660, 47534), (3320, 23767)]