26388916480

素因数分解:

$2^8\times 5^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{2089}}^1$

素因数の和:2320

約数の個数: 144

約数和(自身を含む): 64592035200

約数和(自身を除く): 38203118720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 139, 142, 160, 256, 278, 284, 320, 355, 556, 568, 640, 695, 710, 1112, 1136, 1280, 1390, 1420, 2089, 2224, 2272, 2780, 2840, 4178, 4448, 4544, 5560, 5680, 8356, 8896, 9088, 9869, 10445, 11120, 11360, 16712, 17792, 18176, 19738, 20890, 22240, 22720, 33424, 35584, 39476, 41780, 44480, 45440, 49345, 66848, 78952, 83560, 88960, 90880, 98690, 133696, 148319, 157904, 167120, 177920, 197380, 267392, 290371, 296638, 315808, 334240, 394760, 534784, 580742, 593276, 631616, 668480, 741595, 789520, 1161484, 1186552, 1263232, 1336960, 1451855, 1483190, 1579040, 2322968, 2373104, 2526464, 2673920, 2903710, 2966380, 3158080, 4645936, 4746208, 5807420, 5932760, 6316160, 9291872, 9492416, 11614840, 11865520, 12632320, 18583744, 18984832, 20616341, 23229680, 23731040, 37167488, 37969664, 41232682, 46459360, 47462080, 74334976, 82465364, 92918720, 94924160, 103081705, 164930728, 185837440, 189848320, 206163410, 329861456, 371674880, 412326820, 659722912, 824653640, 1319445824, 1649307280, 2638891648, 3298614560, 5277783296, 6597229120, 13194458240, 26388916480]

約数ペア:

[(1, 26388916480), (2, 13194458240), (4, 6597229120), (5, 5277783296), (8, 3298614560), (10, 2638891648), (16, 1649307280), (20, 1319445824), (32, 824653640), (40, 659722912), (64, 412326820), (71, 371674880), (80, 329861456), (128, 206163410), (139, 189848320), (142, 185837440), (160, 164930728), (256, 103081705), (278, 94924160), (284, 92918720), (320, 82465364), (355, 74334976), (556, 47462080), (568, 46459360), (640, 41232682), (695, 37969664), (710, 37167488), (1112, 23731040), (1136, 23229680), (1280, 20616341), (1390, 18984832), (1420, 18583744), (2089, 12632320), (2224, 11865520), (2272, 11614840), (2780, 9492416), (2840, 9291872), (4178, 6316160), (4448, 5932760), (4544, 5807420), (5560, 4746208), (5680, 4645936), (8356, 3158080), (8896, 2966380), (9088, 2903710), (9869, 2673920), (10445, 2526464), (11120, 2373104), (11360, 2322968), (16712, 1579040), (17792, 1483190), (18176, 1451855), (19738, 1336960), (20890, 1263232), (22240, 1186552), (22720, 1161484), (33424, 789520), (35584, 741595), (39476, 668480), (41780, 631616), (44480, 593276), (45440, 580742), (49345, 534784), (66848, 394760), (78952, 334240), (83560, 315808), (88960, 296638), (90880, 290371), (98690, 267392), (133696, 197380), (148319, 177920), (157904, 167120)]