39705680

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{1447}}^1$

素因数の和:1481

約数の個数: 80

約数和(自身を含む): 107731200

約数和(自身を除く): 68025520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1372, 1447, 1715, 1960, 2744, 2894, 3430, 3920, 5488, 5788, 6860, 7235, 10129, 11576, 13720, 14470, 20258, 23152, 27440, 28940, 40516, 50645, 57880, 70903, 81032, 101290, 115760, 141806, 162064, 202580, 283612, 354515, 405160, 496321, 567224, 709030, 810320, 992642, 1134448, 1418060, 1985284, 2481605, 2836120, 3970568, 4963210, 5672240, 7941136, 9926420, 19852840, 39705680]

約数ペア:

[(1, 39705680), (2, 19852840), (4, 9926420), (5, 7941136), (7, 5672240), (8, 4963210), (10, 3970568), (14, 2836120), (16, 2481605), (20, 1985284), (28, 1418060), (35, 1134448), (40, 992642), (49, 810320), (56, 709030), (70, 567224), (80, 496321), (98, 405160), (112, 354515), (140, 283612), (196, 202580), (245, 162064), (280, 141806), (343, 115760), (392, 101290), (490, 81032), (560, 70903), (686, 57880), (784, 50645), (980, 40516), (1372, 28940), (1447, 27440), (1715, 23152), (1960, 20258), (2744, 14470), (2894, 13720), (3430, 11576), (3920, 10129), (5488, 7235), (5788, 6860)]