81935140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{585251}}^1$

素因数の和:585267

約数の個数: 24

約数和(自身を含む): 196644672

約数和(自身を除く): 114709532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 585251, 1170502, 2341004, 2926255, 4096757, 5852510, 8193514, 11705020, 16387028, 20483785, 40967570, 81935140]

約数ペア:

[(1, 81935140), (2, 40967570), (4, 20483785), (5, 16387028), (7, 11705020), (10, 8193514), (14, 5852510), (20, 4096757), (28, 2926255), (35, 2341004), (70, 1170502), (140, 585251)]