82521640

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{18257}}^1$

素因数の和:18381

約数の個数: 32

約数和(自身を含む): 187327080

約数和(自身を除く): 104805440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 18257, 36514, 73028, 91285, 146056, 182570, 365140, 730280, 2063041, 4126082, 8252164, 10315205, 16504328, 20630410, 41260820, 82521640]

約数ペア:

[(1, 82521640), (2, 41260820), (4, 20630410), (5, 16504328), (8, 10315205), (10, 8252164), (20, 4126082), (40, 2063041), (113, 730280), (226, 365140), (452, 182570), (565, 146056), (904, 91285), (1130, 73028), (2260, 36514), (4520, 18257)]