85429520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{503}}^1$

素因数の和:720

約数の個数: 80

約数和(自身を含む): 218236032

約数和(自身を除く): 132806512

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 193, 220, 386, 440, 503, 772, 880, 965, 1006, 1544, 1930, 2012, 2123, 2515, 3088, 3860, 4024, 4246, 5030, 5533, 7720, 8048, 8492, 10060, 10615, 11066, 15440, 16984, 20120, 21230, 22132, 27665, 33968, 40240, 42460, 44264, 55330, 84920, 88528, 97079, 110660, 169840, 194158, 221320, 388316, 442640, 485395, 776632, 970790, 1067869, 1553264, 1941580, 2135738, 3883160, 4271476, 5339345, 7766320, 8542952, 10678690, 17085904, 21357380, 42714760, 85429520]

約数ペア:

[(1, 85429520), (2, 42714760), (4, 21357380), (5, 17085904), (8, 10678690), (10, 8542952), (11, 7766320), (16, 5339345), (20, 4271476), (22, 3883160), (40, 2135738), (44, 1941580), (55, 1553264), (80, 1067869), (88, 970790), (110, 776632), (176, 485395), (193, 442640), (220, 388316), (386, 221320), (440, 194158), (503, 169840), (772, 110660), (880, 97079), (965, 88528), (1006, 84920), (1544, 55330), (1930, 44264), (2012, 42460), (2123, 40240), (2515, 33968), (3088, 27665), (3860, 22132), (4024, 21230), (4246, 20120), (5030, 16984), (5533, 15440), (7720, 11066), (8048, 10615), (8492, 10060)]