2016656560

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{449}}^1\times {\mathrm{2441}}^1$

素因数の和:2926

約数の個数: 80

約数和(自身を含む): 4905489600

約数和(自身を除く): 2888833040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 449, 460, 898, 920, 1796, 1840, 2245, 2441, 3592, 4490, 4882, 7184, 8980, 9764, 10327, 12205, 17960, 19528, 20654, 24410, 35920, 39056, 41308, 48820, 51635, 56143, 82616, 97640, 103270, 112286, 165232, 195280, 206540, 224572, 280715, 413080, 449144, 561430, 826160, 898288, 1096009, 1122860, 2192018, 2245720, 4384036, 4491440, 5480045, 8768072, 10960090, 17536144, 21920180, 25208207, 43840360, 50416414, 87680720, 100832828, 126041035, 201665656, 252082070, 403331312, 504164140, 1008328280, 2016656560]

約数ペア:

[(1, 2016656560), (2, 1008328280), (4, 504164140), (5, 403331312), (8, 252082070), (10, 201665656), (16, 126041035), (20, 100832828), (23, 87680720), (40, 50416414), (46, 43840360), (80, 25208207), (92, 21920180), (115, 17536144), (184, 10960090), (230, 8768072), (368, 5480045), (449, 4491440), (460, 4384036), (898, 2245720), (920, 2192018), (1796, 1122860), (1840, 1096009), (2245, 898288), (2441, 826160), (3592, 561430), (4490, 449144), (4882, 413080), (7184, 280715), (8980, 224572), (9764, 206540), (10327, 195280), (12205, 165232), (17960, 112286), (19528, 103270), (20654, 97640), (24410, 82616), (35920, 56143), (39056, 51635), (41308, 48820)]