82261840

素因数分解:

$2^4\times 5^1\times {\mathrm{1028273}}^1$

素因数の和:1028286

約数の個数: 20

約数和(自身を含む): 191258964

約数和(自身を除く): 108997124

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1028273, 2056546, 4113092, 5141365, 8226184, 10282730, 16452368, 20565460, 41130920, 82261840]

約数ペア:

[(1, 82261840), (2, 41130920), (4, 20565460), (5, 16452368), (8, 10282730), (10, 8226184), (16, 5141365), (20, 4113092), (40, 2056546), (80, 1028273)]