40504240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{479}}^1$

素因数の和:650

約数の個数: 80

約数和(自身を含む): 108564480

約数和(自身を除く): 68060240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 151, 280, 302, 479, 560, 604, 755, 958, 1057, 1208, 1510, 1916, 2114, 2395, 2416, 3020, 3353, 3832, 4228, 4790, 5285, 6040, 6706, 7664, 8456, 9580, 10570, 12080, 13412, 16765, 16912, 19160, 21140, 26824, 33530, 38320, 42280, 53648, 67060, 72329, 84560, 134120, 144658, 268240, 289316, 361645, 506303, 578632, 723290, 1012606, 1157264, 1446580, 2025212, 2531515, 2893160, 4050424, 5063030, 5786320, 8100848, 10126060, 20252120, 40504240]

約数ペア:

[(1, 40504240), (2, 20252120), (4, 10126060), (5, 8100848), (7, 5786320), (8, 5063030), (10, 4050424), (14, 2893160), (16, 2531515), (20, 2025212), (28, 1446580), (35, 1157264), (40, 1012606), (56, 723290), (70, 578632), (80, 506303), (112, 361645), (140, 289316), (151, 268240), (280, 144658), (302, 134120), (479, 84560), (560, 72329), (604, 67060), (755, 53648), (958, 42280), (1057, 38320), (1208, 33530), (1510, 26824), (1916, 21140), (2114, 19160), (2395, 16912), (2416, 16765), (3020, 13412), (3353, 12080), (3832, 10570), (4228, 9580), (4790, 8456), (5285, 7664), (6040, 6706)]