65816080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2579}}^1$

素因数の和:2632

約数の個数: 80

約数和(自身を含む): 172756800

約数和(自身を除く): 106940720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 40, 44, 55, 58, 80, 88, 110, 116, 145, 176, 220, 232, 290, 319, 440, 464, 580, 638, 880, 1160, 1276, 1595, 2320, 2552, 2579, 3190, 5104, 5158, 6380, 10316, 12760, 12895, 20632, 25520, 25790, 28369, 41264, 51580, 56738, 74791, 103160, 113476, 141845, 149582, 206320, 226952, 283690, 299164, 373955, 453904, 567380, 598328, 747910, 822701, 1134760, 1196656, 1495820, 1645402, 2269520, 2991640, 3290804, 4113505, 5983280, 6581608, 8227010, 13163216, 16454020, 32908040, 65816080]

約数ペア:

[(1, 65816080), (2, 32908040), (4, 16454020), (5, 13163216), (8, 8227010), (10, 6581608), (11, 5983280), (16, 4113505), (20, 3290804), (22, 2991640), (29, 2269520), (40, 1645402), (44, 1495820), (55, 1196656), (58, 1134760), (80, 822701), (88, 747910), (110, 598328), (116, 567380), (145, 453904), (176, 373955), (220, 299164), (232, 283690), (290, 226952), (319, 206320), (440, 149582), (464, 141845), (580, 113476), (638, 103160), (880, 74791), (1160, 56738), (1276, 51580), (1595, 41264), (2320, 28369), (2552, 25790), (2579, 25520), (3190, 20632), (5104, 12895), (5158, 12760), (6380, 10316)]