28955380

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{17443}}^1$

素因数の和:17535

約数の個数: 24

約数和(自身を含む): 61542432

約数和(自身を除く): 32587052

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 17443, 34886, 69772, 87215, 174430, 348860, 1447769, 2895538, 5791076, 7238845, 14477690, 28955380]

約数ペア:

[(1, 28955380), (2, 14477690), (4, 7238845), (5, 5791076), (10, 2895538), (20, 1447769), (83, 348860), (166, 174430), (332, 87215), (415, 69772), (830, 34886), (1660, 17443)]