85684990

素因数分解:

$2^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{40609}}^1$

素因数の和:40827

約数の個数: 16

約数和(自身を含む): 154967760

約数和(自身を除く): 69282770

約数列:

[1, 2, 5, 10, 211, 422, 1055, 2110, 40609, 81218, 203045, 406090, 8568499, 17136998, 42842495, 85684990]

約数ペア:

[(1, 85684990), (2, 42842495), (5, 17136998), (10, 8568499), (211, 406090), (422, 203045), (1055, 81218), (2110, 40609)]