28642510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{220327}}^1$

素因数の和:220347

約数の個数: 16

約数和(自身を含む): 55522656

約数和(自身を除く): 26880146

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 220327, 440654, 1101635, 2203270, 2864251, 5728502, 14321255, 28642510]

約数ペア:

[(1, 28642510), (2, 14321255), (5, 5728502), (10, 2864251), (13, 2203270), (26, 1101635), (65, 440654), (130, 220327)]