85021540

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{80209}}^1$

素因数の和:80271

約数の個数: 24

約数和(自身を含む): 181916280

約数和(自身を除く): 96894740

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 80209, 160418, 320836, 401045, 802090, 1604180, 4251077, 8502154, 17004308, 21255385, 42510770, 85021540]

約数ペア:

[(1, 85021540), (2, 42510770), (4, 21255385), (5, 17004308), (10, 8502154), (20, 4251077), (53, 1604180), (106, 802090), (212, 401045), (265, 320836), (530, 160418), (1060, 80209)]