66032140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{80527}}^1$

素因数の和:80577

約数の個数: 24

約数和(自身を含む): 142051392

約数和(自身を除く): 76019252

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 80527, 161054, 322108, 402635, 805270, 1610540, 3301607, 6603214, 13206428, 16508035, 33016070, 66032140]

約数ペア:

[(1, 66032140), (2, 33016070), (4, 16508035), (5, 13206428), (10, 6603214), (20, 3301607), (41, 1610540), (82, 805270), (164, 402635), (205, 322108), (410, 161054), (820, 80527)]