66939860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{3259}}^1$

素因数の和:3360

約数の個数: 48

約数和(自身を含む): 153350400

約数和(自身を除く): 86410540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 395, 790, 1027, 1580, 2054, 3259, 4108, 5135, 6518, 10270, 13036, 16295, 20540, 32590, 42367, 65180, 84734, 169468, 211835, 257461, 423670, 514922, 847340, 1029844, 1287305, 2574610, 3346993, 5149220, 6693986, 13387972, 16734965, 33469930, 66939860]

約数ペア:

[(1, 66939860), (2, 33469930), (4, 16734965), (5, 13387972), (10, 6693986), (13, 5149220), (20, 3346993), (26, 2574610), (52, 1287305), (65, 1029844), (79, 847340), (130, 514922), (158, 423670), (260, 257461), (316, 211835), (395, 169468), (790, 84734), (1027, 65180), (1580, 42367), (2054, 32590), (3259, 20540), (4108, 16295), (5135, 13036), (6518, 10270)]