51170840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1439}}^1$

素因数の和:1584

約数の個数: 64

約数和(自身を含む): 132710400

約数和(自身を除く): 81539560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 127, 140, 254, 280, 508, 635, 889, 1016, 1270, 1439, 1778, 2540, 2878, 3556, 4445, 5080, 5756, 7112, 7195, 8890, 10073, 11512, 14390, 17780, 20146, 28780, 35560, 40292, 50365, 57560, 80584, 100730, 182753, 201460, 365506, 402920, 731012, 913765, 1279271, 1462024, 1827530, 2558542, 3655060, 5117084, 6396355, 7310120, 10234168, 12792710, 25585420, 51170840]

約数ペア:

[(1, 51170840), (2, 25585420), (4, 12792710), (5, 10234168), (7, 7310120), (8, 6396355), (10, 5117084), (14, 3655060), (20, 2558542), (28, 1827530), (35, 1462024), (40, 1279271), (56, 913765), (70, 731012), (127, 402920), (140, 365506), (254, 201460), (280, 182753), (508, 100730), (635, 80584), (889, 57560), (1016, 50365), (1270, 40292), (1439, 35560), (1778, 28780), (2540, 20146), (2878, 17780), (3556, 14390), (4445, 11512), (5080, 10073), (5756, 8890), (7112, 7195)]