85308520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{193883}}^1$

素因数の和:193905

約数の個数: 32

約数和(自身を含む): 209394720

約数和(自身を除く): 124086200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 193883, 387766, 775532, 969415, 1551064, 1938830, 2132713, 3877660, 4265426, 7755320, 8530852, 10663565, 17061704, 21327130, 42654260, 85308520]

約数ペア:

[(1, 85308520), (2, 42654260), (4, 21327130), (5, 17061704), (8, 10663565), (10, 8530852), (11, 7755320), (20, 4265426), (22, 3877660), (40, 2132713), (44, 1938830), (55, 1551064), (88, 969415), (110, 775532), (220, 387766), (440, 193883)]