86890760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197479}}^1$

素因数の和:197501

約数の個数: 32

約数和(自身を含む): 213278400

約数和(自身を除く): 126387640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 197479, 394958, 789916, 987395, 1579832, 1974790, 2172269, 3949580, 4344538, 7899160, 8689076, 10861345, 17378152, 21722690, 43445380, 86890760]

約数ペア:

[(1, 86890760), (2, 43445380), (4, 21722690), (5, 17378152), (8, 10861345), (10, 8689076), (11, 7899160), (20, 4344538), (22, 3949580), (40, 2172269), (44, 1974790), (55, 1579832), (88, 987395), (110, 789916), (220, 394958), (440, 197479)]