87818980

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{52903}}^1$

素因数の和:52995

約数の個数: 24

約数和(自身を含む): 186645312

約数和(自身を除く): 98826332

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 52903, 105806, 211612, 264515, 529030, 1058060, 4390949, 8781898, 17563796, 21954745, 43909490, 87818980]

約数ペア:

[(1, 87818980), (2, 43909490), (4, 21954745), (5, 17563796), (10, 8781898), (20, 4390949), (83, 1058060), (166, 529030), (332, 264515), (415, 211612), (830, 105806), (1660, 52903)]