90639580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{266587}}^1$

素因数の和:266613

約数の個数: 24

約数和(自身を含む): 201540528

約数和(自身を除く): 110900948

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 266587, 533174, 1066348, 1332935, 2665870, 4531979, 5331740, 9063958, 18127916, 22659895, 45319790, 90639580]

約数ペア:

[(1, 90639580), (2, 45319790), (4, 22659895), (5, 18127916), (10, 9063958), (17, 5331740), (20, 4531979), (34, 2665870), (68, 1332935), (85, 1066348), (170, 533174), (340, 266587)]