879723280

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{55259}}^1$

素因数の和:55471

約数の個数: 40

約数和(自身を含む): 2055672000

約数和(自身を除く): 1175948720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 796, 995, 1592, 1990, 3184, 3980, 7960, 15920, 55259, 110518, 221036, 276295, 442072, 552590, 884144, 1105180, 2210360, 4420720, 10996541, 21993082, 43986164, 54982705, 87972328, 109965410, 175944656, 219930820, 439861640, 879723280]

約数ペア:

[(1, 879723280), (2, 439861640), (4, 219930820), (5, 175944656), (8, 109965410), (10, 87972328), (16, 54982705), (20, 43986164), (40, 21993082), (80, 10996541), (199, 4420720), (398, 2210360), (796, 1105180), (995, 884144), (1592, 552590), (1990, 442072), (3184, 276295), (3980, 221036), (7960, 110518), (15920, 55259)]