40215448

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1493}}^1$

素因数の和:1556

約数の個数: 64

約数和(自身を含む): 95376960

約数和(自身を除く): 55161512

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 37, 52, 56, 74, 91, 104, 148, 182, 259, 296, 364, 481, 518, 728, 962, 1036, 1493, 1924, 2072, 2986, 3367, 3848, 5972, 6734, 10451, 11944, 13468, 19409, 20902, 26936, 38818, 41804, 55241, 77636, 83608, 110482, 135863, 155272, 220964, 271726, 386687, 441928, 543452, 718133, 773374, 1086904, 1436266, 1546748, 2872532, 3093496, 5026931, 5745064, 10053862, 20107724, 40215448]

約数ペア:

[(1, 40215448), (2, 20107724), (4, 10053862), (7, 5745064), (8, 5026931), (13, 3093496), (14, 2872532), (26, 1546748), (28, 1436266), (37, 1086904), (52, 773374), (56, 718133), (74, 543452), (91, 441928), (104, 386687), (148, 271726), (182, 220964), (259, 155272), (296, 135863), (364, 110482), (481, 83608), (518, 77636), (728, 55241), (962, 41804), (1036, 38818), (1493, 26936), (1924, 20902), (2072, 19409), (2986, 13468), (3367, 11944), (3848, 10451), (5972, 6734)]