67508740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19973}}^1$

素因数の和:20008

約数の個数: 36

約数和(自身を含む): 153520164

約数和(自身を除く): 86011424

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 19973, 39946, 79892, 99865, 199730, 259649, 399460, 519298, 1038596, 1298245, 2596490, 3375437, 5192980, 6750874, 13501748, 16877185, 33754370, 67508740]

約数ペア:

[(1, 67508740), (2, 33754370), (4, 16877185), (5, 13501748), (10, 6750874), (13, 5192980), (20, 3375437), (26, 2596490), (52, 1298245), (65, 1038596), (130, 519298), (169, 399460), (260, 259649), (338, 199730), (676, 99865), (845, 79892), (1690, 39946), (3380, 19973)]