20110512080

素因数分解:

$2^4\times 5^1\times {\mathrm{293}}^1\times {\mathrm{857957}}^1$

素因数の和:858263

約数の個数: 40

約数和(自身を含む): 46916575272

約数和(自身を除く): 26806063192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 293, 586, 1172, 1465, 2344, 2930, 4688, 5860, 11720, 23440, 857957, 1715914, 3431828, 4289785, 6863656, 8579570, 13727312, 17159140, 34318280, 68636560, 251381401, 502762802, 1005525604, 1256907005, 2011051208, 2513814010, 4022102416, 5027628020, 10055256040, 20110512080]

約数ペア:

[(1, 20110512080), (2, 10055256040), (4, 5027628020), (5, 4022102416), (8, 2513814010), (10, 2011051208), (16, 1256907005), (20, 1005525604), (40, 502762802), (80, 251381401), (293, 68636560), (586, 34318280), (1172, 17159140), (1465, 13727312), (2344, 8579570), (2930, 6863656), (4688, 4289785), (5860, 3431828), (11720, 1715914), (23440, 857957)]