28752860

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{17321}}^1$

素因数の和:17413

約数の個数: 24

約数和(自身を含む): 61112016

約数和(自身を除く): 32359156

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 17321, 34642, 69284, 86605, 173210, 346420, 1437643, 2875286, 5750572, 7188215, 14376430, 28752860]

約数ペア:

[(1, 28752860), (2, 14376430), (4, 7188215), (5, 5750572), (10, 2875286), (20, 1437643), (83, 346420), (166, 173210), (332, 86605), (415, 69284), (830, 34642), (1660, 17321)]