65689480

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{193}}^1$

素因数の和:398

約数の個数: 64

約数和(自身を含む): 151971840

約数和(自身を除く): 86282360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 127, 134, 193, 254, 268, 335, 386, 508, 536, 635, 670, 772, 965, 1016, 1270, 1340, 1544, 1930, 2540, 2680, 3860, 5080, 7720, 8509, 12931, 17018, 24511, 25862, 34036, 42545, 49022, 51724, 64655, 68072, 85090, 98044, 103448, 122555, 129310, 170180, 196088, 245110, 258620, 340360, 490220, 517240, 980440, 1642237, 3284474, 6568948, 8211185, 13137896, 16422370, 32844740, 65689480]

約数ペア:

[(1, 65689480), (2, 32844740), (4, 16422370), (5, 13137896), (8, 8211185), (10, 6568948), (20, 3284474), (40, 1642237), (67, 980440), (127, 517240), (134, 490220), (193, 340360), (254, 258620), (268, 245110), (335, 196088), (386, 170180), (508, 129310), (536, 122555), (635, 103448), (670, 98044), (772, 85090), (965, 68072), (1016, 64655), (1270, 51724), (1340, 49022), (1544, 42545), (1930, 34036), (2540, 25862), (2680, 24511), (3860, 17018), (5080, 12931), (7720, 8509)]