85810520

素因数分解:

$2^3\times 5^1\times {\mathrm{2145263}}^1$

素因数の和:2145274

約数の個数: 16

約数和(自身を含む): 193073760

約数和(自身を除く): 107263240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2145263, 4290526, 8581052, 10726315, 17162104, 21452630, 42905260, 85810520]

約数ペア:

[(1, 85810520), (2, 42905260), (4, 21452630), (5, 17162104), (8, 10726315), (10, 8581052), (20, 4290526), (40, 2145263)]