805305320

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{3761}}^1$

素因数の和:3926

約数の個数: 64

約数和(自身を含む): 1864898640

約数和(自身を除く): 1059593320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 101, 106, 202, 212, 265, 404, 424, 505, 530, 808, 1010, 1060, 2020, 2120, 3761, 4040, 5353, 7522, 10706, 15044, 18805, 21412, 26765, 30088, 37610, 42824, 53530, 75220, 107060, 150440, 199333, 214120, 379861, 398666, 759722, 797332, 996665, 1519444, 1594664, 1899305, 1993330, 3038888, 3798610, 3986660, 7597220, 7973320, 15194440, 20132633, 40265266, 80530532, 100663165, 161061064, 201326330, 402652660, 805305320]

約数ペア:

[(1, 805305320), (2, 402652660), (4, 201326330), (5, 161061064), (8, 100663165), (10, 80530532), (20, 40265266), (40, 20132633), (53, 15194440), (101, 7973320), (106, 7597220), (202, 3986660), (212, 3798610), (265, 3038888), (404, 1993330), (424, 1899305), (505, 1594664), (530, 1519444), (808, 996665), (1010, 797332), (1060, 759722), (2020, 398666), (2120, 379861), (3761, 214120), (4040, 199333), (5353, 150440), (7522, 107060), (10706, 75220), (15044, 53530), (18805, 42824), (21412, 37610), (26765, 30088)]