85763540

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{80909}}^1$

素因数の和:80971

約数の個数: 24

約数和(自身を含む): 183503880

約数和(自身を除く): 97740340

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 80909, 161818, 323636, 404545, 809090, 1618180, 4288177, 8576354, 17152708, 21440885, 42881770, 85763540]

約数ペア:

[(1, 85763540), (2, 42881770), (4, 21440885), (5, 17152708), (10, 8576354), (20, 4288177), (53, 1618180), (106, 809090), (212, 404545), (265, 323636), (530, 161818), (1060, 80909)]