51935380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{127}}^2$

素因数の和:293

約数の個数: 72

約数和(自身を含む): 131096448

約数和(自身を除く): 79161068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 127, 140, 161, 230, 254, 322, 460, 508, 635, 644, 805, 889, 1270, 1610, 1778, 2540, 2921, 3220, 3556, 4445, 5842, 8890, 11684, 14605, 16129, 17780, 20447, 29210, 32258, 40894, 58420, 64516, 80645, 81788, 102235, 112903, 161290, 204470, 225806, 322580, 370967, 408940, 451612, 564515, 741934, 1129030, 1483868, 1854835, 2258060, 2596769, 3709670, 5193538, 7419340, 10387076, 12983845, 25967690, 51935380]

約数ペア:

[(1, 51935380), (2, 25967690), (4, 12983845), (5, 10387076), (7, 7419340), (10, 5193538), (14, 3709670), (20, 2596769), (23, 2258060), (28, 1854835), (35, 1483868), (46, 1129030), (70, 741934), (92, 564515), (115, 451612), (127, 408940), (140, 370967), (161, 322580), (230, 225806), (254, 204470), (322, 161290), (460, 112903), (508, 102235), (635, 81788), (644, 80645), (805, 64516), (889, 58420), (1270, 40894), (1610, 32258), (1778, 29210), (2540, 20447), (2921, 17780), (3220, 16129), (3556, 14605), (4445, 11684), (5842, 8890)]