81004060

素因数分解:

$2^2\times 5^1\times {\mathrm{1259}}^1\times {\mathrm{3217}}^1$

素因数の和:4485

約数の個数: 24

約数和(自身を含む): 170296560

約数和(自身を除く): 89292500

約数列:

[1, 2, 4, 5, 10, 20, 1259, 2518, 3217, 5036, 6295, 6434, 12590, 12868, 16085, 25180, 32170, 64340, 4050203, 8100406, 16200812, 20251015, 40502030, 81004060]

約数ペア:

[(1, 81004060), (2, 40502030), (4, 20251015), (5, 16200812), (10, 8100406), (20, 4050203), (1259, 64340), (2518, 32170), (3217, 25180), (5036, 16085), (6295, 12868), (6434, 12590)]