26581840

素因数分解:

$2^4\times 5^1\times {\mathrm{332273}}^1$

素因数の和:332286

約数の個数: 20

約数和(自身を含む): 61802964

約数和(自身を除く): 35221124

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 332273, 664546, 1329092, 1661365, 2658184, 3322730, 5316368, 6645460, 13290920, 26581840]

約数ペア:

[(1, 26581840), (2, 13290920), (4, 6645460), (5, 5316368), (8, 3322730), (10, 2658184), (16, 1661365), (20, 1329092), (40, 664546), (80, 332273)]