164642060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{18253}}^1$

素因数の和:18314

約数の個数: 48

約数和(自身を含む): 386400672

約数和(自身を除く): 221758612

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 2255, 4510, 9020, 18253, 36506, 73012, 91265, 182530, 200783, 365060, 401566, 748373, 803132, 1003915, 1496746, 2007830, 2993492, 3741865, 4015660, 7483730, 8232103, 14967460, 16464206, 32928412, 41160515, 82321030, 164642060]

約数ペア:

[(1, 164642060), (2, 82321030), (4, 41160515), (5, 32928412), (10, 16464206), (11, 14967460), (20, 8232103), (22, 7483730), (41, 4015660), (44, 3741865), (55, 2993492), (82, 2007830), (110, 1496746), (164, 1003915), (205, 803132), (220, 748373), (410, 401566), (451, 365060), (820, 200783), (902, 182530), (1804, 91265), (2255, 73012), (4510, 36506), (9020, 18253)]