89739320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{203953}}^1$

素因数の和:203975

約数の個数: 32

約数和(自身を含む): 220270320

約数和(自身を除く): 130531000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 203953, 407906, 815812, 1019765, 1631624, 2039530, 2243483, 4079060, 4486966, 8158120, 8973932, 11217415, 17947864, 22434830, 44869660, 89739320]

約数ペア:

[(1, 89739320), (2, 44869660), (4, 22434830), (5, 17947864), (8, 11217415), (10, 8973932), (11, 8158120), (20, 4486966), (22, 4079060), (40, 2243483), (44, 2039530), (55, 1631624), (88, 1019765), (110, 815812), (220, 407906), (440, 203953)]