82701820

素因数分解:

$2^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{6451}}^1$

素因数の和:7101

約数の個数: 24

約数和(自身を含む): 173971728

約数和(自身を除く): 91269908

約数列:

[1, 2, 4, 5, 10, 20, 641, 1282, 2564, 3205, 6410, 6451, 12820, 12902, 25804, 32255, 64510, 129020, 4135091, 8270182, 16540364, 20675455, 41350910, 82701820]

約数ペア:

[(1, 82701820), (2, 41350910), (4, 20675455), (5, 16540364), (10, 8270182), (20, 4135091), (641, 129020), (1282, 64510), (2564, 32255), (3205, 25804), (6410, 12902), (6451, 12820)]