40939912

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{107}}^1\times {\mathrm{283}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 84194640

約数和(自身を除く): 43254728

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 107, 169, 214, 283, 338, 428, 566, 676, 856, 1132, 1352, 1391, 2264, 2782, 3679, 5564, 7358, 11128, 14716, 18083, 29432, 30281, 36166, 47827, 60562, 72332, 95654, 121124, 144664, 191308, 242248, 382616, 393653, 787306, 1574612, 3149224, 5117489, 10234978, 20469956, 40939912]

約数ペア:

[(1, 40939912), (2, 20469956), (4, 10234978), (8, 5117489), (13, 3149224), (26, 1574612), (52, 787306), (104, 393653), (107, 382616), (169, 242248), (214, 191308), (283, 144664), (338, 121124), (428, 95654), (566, 72332), (676, 60562), (856, 47827), (1132, 36166), (1352, 30281), (1391, 29432), (2264, 18083), (2782, 14716), (3679, 11128), (5564, 7358)]