85428880

素因数分解:

$2^4\times 5^1\times {\mathrm{977}}^1\times {\mathrm{1093}}^1$

素因数の和:2083

約数の個数: 40

約数和(自身を含む): 199007352

約数和(自身を除く): 113578472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 977, 1093, 1954, 2186, 3908, 4372, 4885, 5465, 7816, 8744, 9770, 10930, 15632, 17488, 19540, 21860, 39080, 43720, 78160, 87440, 1067861, 2135722, 4271444, 5339305, 8542888, 10678610, 17085776, 21357220, 42714440, 85428880]

約数ペア:

[(1, 85428880), (2, 42714440), (4, 21357220), (5, 17085776), (8, 10678610), (10, 8542888), (16, 5339305), (20, 4271444), (40, 2135722), (80, 1067861), (977, 87440), (1093, 78160), (1954, 43720), (2186, 39080), (3908, 21860), (4372, 19540), (4885, 17488), (5465, 15632), (7816, 10930), (8744, 9770)]