202161160

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{123269}}^1$

素因数の和:123321

約数の個数: 32

約数和(自身を含む): 465960600

約数和(自身を除く): 263799440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 123269, 246538, 493076, 616345, 986152, 1232690, 2465380, 4930760, 5054029, 10108058, 20216116, 25270145, 40432232, 50540290, 101080580, 202161160]

約数ペア:

[(1, 202161160), (2, 101080580), (4, 50540290), (5, 40432232), (8, 25270145), (10, 20216116), (20, 10108058), (40, 5054029), (41, 4930760), (82, 2465380), (164, 1232690), (205, 986152), (328, 616345), (410, 493076), (820, 246538), (1640, 123269)]