40437880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1039}}^1$

素因数の和:1196

約数の個数: 64

約数和(自身を含む): 104832000

約数和(自身を除く): 64394120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 139, 140, 278, 280, 556, 695, 973, 1039, 1112, 1390, 1946, 2078, 2780, 3892, 4156, 4865, 5195, 5560, 7273, 7784, 8312, 9730, 10390, 14546, 19460, 20780, 29092, 36365, 38920, 41560, 58184, 72730, 144421, 145460, 288842, 290920, 577684, 722105, 1010947, 1155368, 1444210, 2021894, 2888420, 4043788, 5054735, 5776840, 8087576, 10109470, 20218940, 40437880]

約数ペア:

[(1, 40437880), (2, 20218940), (4, 10109470), (5, 8087576), (7, 5776840), (8, 5054735), (10, 4043788), (14, 2888420), (20, 2021894), (28, 1444210), (35, 1155368), (40, 1010947), (56, 722105), (70, 577684), (139, 290920), (140, 288842), (278, 145460), (280, 144421), (556, 72730), (695, 58184), (973, 41560), (1039, 38920), (1112, 36365), (1390, 29092), (1946, 20780), (2078, 19460), (2780, 14546), (3892, 10390), (4156, 9730), (4865, 8312), (5195, 7784), (5560, 7273)]