51214520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{577}}^1$

素因数の和:912

約数の個数: 64

約数和(自身を含む): 132338880

約数和(自身を除く): 81124360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 317, 577, 634, 1154, 1268, 1585, 2219, 2308, 2536, 2885, 3170, 4039, 4438, 4616, 5770, 6340, 8078, 8876, 11095, 11540, 12680, 16156, 17752, 20195, 22190, 23080, 32312, 40390, 44380, 80780, 88760, 161560, 182909, 365818, 731636, 914545, 1280363, 1463272, 1829090, 2560726, 3658180, 5121452, 6401815, 7316360, 10242904, 12803630, 25607260, 51214520]

約数ペア:

[(1, 51214520), (2, 25607260), (4, 12803630), (5, 10242904), (7, 7316360), (8, 6401815), (10, 5121452), (14, 3658180), (20, 2560726), (28, 1829090), (35, 1463272), (40, 1280363), (56, 914545), (70, 731636), (140, 365818), (280, 182909), (317, 161560), (577, 88760), (634, 80780), (1154, 44380), (1268, 40390), (1585, 32312), (2219, 23080), (2308, 22190), (2536, 20195), (2885, 17752), (3170, 16156), (4039, 12680), (4438, 11540), (4616, 11095), (5770, 8876), (6340, 8078)]