87009920

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^2\times {\mathrm{257}}^1$

素因数の和:322

約数の個数: 96

約数和(自身を含む): 218291220

約数和(自身を除く): 131281300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 257, 320, 368, 460, 514, 529, 640, 736, 920, 1028, 1058, 1285, 1472, 1840, 2056, 2116, 2570, 2645, 2944, 3680, 4112, 4232, 5140, 5290, 5911, 7360, 8224, 8464, 10280, 10580, 11822, 14720, 16448, 16928, 20560, 21160, 23644, 29555, 32896, 33856, 41120, 42320, 47288, 59110, 67712, 82240, 84640, 94576, 118220, 135953, 164480, 169280, 189152, 236440, 271906, 338560, 378304, 472880, 543812, 679765, 756608, 945760, 1087624, 1359530, 1891520, 2175248, 2719060, 3783040, 4350496, 5438120, 8700992, 10876240, 17401984, 21752480, 43504960, 87009920]

約数ペア:

[(1, 87009920), (2, 43504960), (4, 21752480), (5, 17401984), (8, 10876240), (10, 8700992), (16, 5438120), (20, 4350496), (23, 3783040), (32, 2719060), (40, 2175248), (46, 1891520), (64, 1359530), (80, 1087624), (92, 945760), (115, 756608), (128, 679765), (160, 543812), (184, 472880), (230, 378304), (257, 338560), (320, 271906), (368, 236440), (460, 189152), (514, 169280), (529, 164480), (640, 135953), (736, 118220), (920, 94576), (1028, 84640), (1058, 82240), (1285, 67712), (1472, 59110), (1840, 47288), (2056, 42320), (2116, 41120), (2570, 33856), (2645, 32896), (2944, 29555), (3680, 23644), (4112, 21160), (4232, 20560), (5140, 16928), (5290, 16448), (5911, 14720), (7360, 11822), (8224, 10580), (8464, 10280)]