81905740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{585041}}^1$

素因数の和:585057

約数の個数: 24

約数和(自身を含む): 196574112

約数和(自身を除く): 114668372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 585041, 1170082, 2340164, 2925205, 4095287, 5850410, 8190574, 11700820, 16381148, 20476435, 40952870, 81905740]

約数ペア:

[(1, 81905740), (2, 40952870), (4, 20476435), (5, 16381148), (7, 11700820), (10, 8190574), (14, 5850410), (20, 4095287), (28, 2925205), (35, 2340164), (70, 1170082), (140, 585041)]