205831480

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{125507}}^1$

素因数の和:125559

約数の個数: 32

約数和(自身を含む): 474420240

約数和(自身を除く): 268588760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 125507, 251014, 502028, 627535, 1004056, 1255070, 2510140, 5020280, 5145787, 10291574, 20583148, 25728935, 41166296, 51457870, 102915740, 205831480]

約数ペア:

[(1, 205831480), (2, 102915740), (4, 51457870), (5, 41166296), (8, 25728935), (10, 20583148), (20, 10291574), (40, 5145787), (41, 5020280), (82, 2510140), (164, 1255070), (205, 1004056), (328, 627535), (410, 502028), (820, 251014), (1640, 125507)]