165040580

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^2\times {\mathrm{4909}}^1$

素因数の和:5000

約数の個数: 36

約数和(自身を含む): 355317060

約数和(自身を除く): 190276480

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 1681, 3362, 4909, 6724, 8405, 9818, 16810, 19636, 24545, 33620, 49090, 98180, 201269, 402538, 805076, 1006345, 2012690, 4025380, 8252029, 16504058, 33008116, 41260145, 82520290, 165040580]

約数ペア:

[(1, 165040580), (2, 82520290), (4, 41260145), (5, 33008116), (10, 16504058), (20, 8252029), (41, 4025380), (82, 2012690), (164, 1006345), (205, 805076), (410, 402538), (820, 201269), (1681, 98180), (3362, 49090), (4909, 33620), (6724, 24545), (8405, 19636), (9818, 16810)]