28264820

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{17027}}^1$

素因数の和:17119

約数の個数: 24

約数和(自身を含む): 60074784

約数和(自身を除く): 31809964

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 17027, 34054, 68108, 85135, 170270, 340540, 1413241, 2826482, 5652964, 7066205, 14132410, 28264820]

約数ペア:

[(1, 28264820), (2, 14132410), (4, 7066205), (5, 5652964), (10, 2826482), (20, 1413241), (83, 340540), (166, 170270), (332, 85135), (415, 68108), (830, 34054), (1660, 17027)]