28646620

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{17257}}^1$

素因数の和:17349

約数の個数: 24

約数和(自身を含む): 60886224

約数和(自身を除く): 32239604

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 17257, 34514, 69028, 86285, 172570, 345140, 1432331, 2864662, 5729324, 7161655, 14323310, 28646620]

約数ペア:

[(1, 28646620), (2, 14323310), (4, 7161655), (5, 5729324), (10, 2864662), (20, 1432331), (83, 345140), (166, 172570), (332, 86285), (415, 69028), (830, 34514), (1660, 17257)]