85461520

素因数分解:

$2^4\times 5^1\times {\mathrm{313}}^1\times {\mathrm{3413}}^1$

素因数の和:3739

約数の個数: 40

約数和(自身を含む): 199391256

約数和(自身を除く): 113929736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 313, 626, 1252, 1565, 2504, 3130, 3413, 5008, 6260, 6826, 12520, 13652, 17065, 25040, 27304, 34130, 54608, 68260, 136520, 273040, 1068269, 2136538, 4273076, 5341345, 8546152, 10682690, 17092304, 21365380, 42730760, 85461520]

約数ペア:

[(1, 85461520), (2, 42730760), (4, 21365380), (5, 17092304), (8, 10682690), (10, 8546152), (16, 5341345), (20, 4273076), (40, 2136538), (80, 1068269), (313, 273040), (626, 136520), (1252, 68260), (1565, 54608), (2504, 34130), (3130, 27304), (3413, 25040), (5008, 17065), (6260, 13652), (6826, 12520)]