81460720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{92569}}^1$

素因数の和:92593

約数の個数: 40

約数和(自身を含む): 206616240

約数和(自身を除く): 125155520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 92569, 185138, 370276, 462845, 740552, 925690, 1018259, 1481104, 1851380, 2036518, 3702760, 4073036, 5091295, 7405520, 8146072, 10182590, 16292144, 20365180, 40730360, 81460720]

約数ペア:

[(1, 81460720), (2, 40730360), (4, 20365180), (5, 16292144), (8, 10182590), (10, 8146072), (11, 7405520), (16, 5091295), (20, 4073036), (22, 3702760), (40, 2036518), (44, 1851380), (55, 1481104), (80, 1018259), (88, 925690), (110, 740552), (176, 462845), (220, 370276), (440, 185138), (880, 92569)]