81734540

素因数分解:

$2^2\times 5^1\times {\mathrm{1093}}^1\times {\mathrm{3739}}^1$

素因数の和:4841

約数の個数: 24

約数和(自身を含む): 171845520

約数和(自身を除く): 90110980

約数列:

[1, 2, 4, 5, 10, 20, 1093, 2186, 3739, 4372, 5465, 7478, 10930, 14956, 18695, 21860, 37390, 74780, 4086727, 8173454, 16346908, 20433635, 40867270, 81734540]

約数ペア:

[(1, 81734540), (2, 40867270), (4, 20433635), (5, 16346908), (10, 8173454), (20, 4086727), (1093, 74780), (2186, 37390), (3739, 21860), (4372, 18695), (5465, 14956), (7478, 10930)]