71316080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{81041}}^1$

素因数の和:81065

約数の個数: 40

約数和(自身を含む): 180885744

約数和(自身を除く): 109569664

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 81041, 162082, 324164, 405205, 648328, 810410, 891451, 1296656, 1620820, 1782902, 3241640, 3565804, 4457255, 6483280, 7131608, 8914510, 14263216, 17829020, 35658040, 71316080]

約数ペア:

[(1, 71316080), (2, 35658040), (4, 17829020), (5, 14263216), (8, 8914510), (10, 7131608), (11, 6483280), (16, 4457255), (20, 3565804), (22, 3241640), (40, 1782902), (44, 1620820), (55, 1296656), (80, 891451), (88, 810410), (110, 648328), (176, 405205), (220, 324164), (440, 162082), (880, 81041)]