26828920

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{8081}}^1$

素因数の和:8175

約数の個数: 32

約数和(自身を含む): 61099920

約数和(自身を除く): 34271000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 8081, 16162, 32324, 40405, 64648, 80810, 161620, 323240, 670723, 1341446, 2682892, 3353615, 5365784, 6707230, 13414460, 26828920]

約数ペア:

[(1, 26828920), (2, 13414460), (4, 6707230), (5, 5365784), (8, 3353615), (10, 2682892), (20, 1341446), (40, 670723), (83, 323240), (166, 161620), (332, 80810), (415, 64648), (664, 40405), (830, 32324), (1660, 16162), (3320, 8081)]