40078864

素因数分解:

$2^4\times 7^3\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:205

約数の個数: 80

約数和(自身を含む): 92752000

約数和(自身を除く): 52673136

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 67, 98, 109, 112, 134, 196, 218, 268, 343, 392, 436, 469, 536, 686, 763, 784, 872, 938, 1072, 1372, 1526, 1744, 1876, 2744, 3052, 3283, 3752, 5341, 5488, 6104, 6566, 7303, 7504, 10682, 12208, 13132, 14606, 21364, 22981, 26264, 29212, 37387, 42728, 45962, 51121, 52528, 58424, 74774, 85456, 91924, 102242, 116848, 149548, 183848, 204484, 299096, 357847, 367696, 408968, 598192, 715694, 817936, 1431388, 2504929, 2862776, 5009858, 5725552, 10019716, 20039432, 40078864]

約数ペア:

[(1, 40078864), (2, 20039432), (4, 10019716), (7, 5725552), (8, 5009858), (14, 2862776), (16, 2504929), (28, 1431388), (49, 817936), (56, 715694), (67, 598192), (98, 408968), (109, 367696), (112, 357847), (134, 299096), (196, 204484), (218, 183848), (268, 149548), (343, 116848), (392, 102242), (436, 91924), (469, 85456), (536, 74774), (686, 58424), (763, 52528), (784, 51121), (872, 45962), (938, 42728), (1072, 37387), (1372, 29212), (1526, 26264), (1744, 22981), (1876, 21364), (2744, 14606), (3052, 13132), (3283, 12208), (3752, 10682), (5341, 7504), (5488, 7303), (6104, 6566)]