85455760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{647}}^1$

素因数の和:800

約数の個数: 80

約数和(自身を含む): 215986176

約数和(自身を除く): 130530416

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 127, 130, 208, 254, 260, 508, 520, 635, 647, 1016, 1040, 1270, 1294, 1651, 2032, 2540, 2588, 3235, 3302, 5080, 5176, 6470, 6604, 8255, 8411, 10160, 10352, 12940, 13208, 16510, 16822, 25880, 26416, 33020, 33644, 42055, 51760, 66040, 67288, 82169, 84110, 132080, 134576, 164338, 168220, 328676, 336440, 410845, 657352, 672880, 821690, 1068197, 1314704, 1643380, 2136394, 3286760, 4272788, 5340985, 6573520, 8545576, 10681970, 17091152, 21363940, 42727880, 85455760]

約数ペア:

[(1, 85455760), (2, 42727880), (4, 21363940), (5, 17091152), (8, 10681970), (10, 8545576), (13, 6573520), (16, 5340985), (20, 4272788), (26, 3286760), (40, 2136394), (52, 1643380), (65, 1314704), (80, 1068197), (104, 821690), (127, 672880), (130, 657352), (208, 410845), (254, 336440), (260, 328676), (508, 168220), (520, 164338), (635, 134576), (647, 132080), (1016, 84110), (1040, 82169), (1270, 67288), (1294, 66040), (1651, 51760), (2032, 42055), (2540, 33644), (2588, 33020), (3235, 26416), (3302, 25880), (5080, 16822), (5176, 16510), (6470, 13208), (6604, 12940), (8255, 10352), (8411, 10160)]