51233120

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^2\times {\mathrm{887}}^1$

素因数の和:940

約数の個数: 72

約数和(自身を含む): 127887984

約数和(自身を除く): 76654864

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 361, 380, 608, 722, 760, 887, 1444, 1520, 1774, 1805, 2888, 3040, 3548, 3610, 4435, 5776, 7096, 7220, 8870, 11552, 14192, 14440, 16853, 17740, 28384, 28880, 33706, 35480, 57760, 67412, 70960, 84265, 134824, 141920, 168530, 269648, 320207, 337060, 539296, 640414, 674120, 1280828, 1348240, 1601035, 2561656, 2696480, 3202070, 5123312, 6404140, 10246624, 12808280, 25616560, 51233120]

約数ペア:

[(1, 51233120), (2, 25616560), (4, 12808280), (5, 10246624), (8, 6404140), (10, 5123312), (16, 3202070), (19, 2696480), (20, 2561656), (32, 1601035), (38, 1348240), (40, 1280828), (76, 674120), (80, 640414), (95, 539296), (152, 337060), (160, 320207), (190, 269648), (304, 168530), (361, 141920), (380, 134824), (608, 84265), (722, 70960), (760, 67412), (887, 57760), (1444, 35480), (1520, 33706), (1774, 28880), (1805, 28384), (2888, 17740), (3040, 16853), (3548, 14440), (3610, 14192), (4435, 11552), (5776, 8870), (7096, 7220)]