81018520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{184133}}^1$

素因数の和:184155

約数の個数: 32

約数和(自身を含む): 198864720

約数和(自身を除く): 117846200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 184133, 368266, 736532, 920665, 1473064, 1841330, 2025463, 3682660, 4050926, 7365320, 8101852, 10127315, 16203704, 20254630, 40509260, 81018520]

約数ペア:

[(1, 81018520), (2, 40509260), (4, 20254630), (5, 16203704), (8, 10127315), (10, 8101852), (11, 7365320), (20, 4050926), (22, 3682660), (40, 2025463), (44, 1841330), (55, 1473064), (88, 920665), (110, 736532), (220, 368266), (440, 184133)]