12651740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{293}}^1$

素因数の和:446

約数の個数: 48

約数和(自身を含む): 28449792

約数和(自身を除く): 15798052

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 127, 170, 254, 293, 340, 508, 586, 635, 1172, 1270, 1465, 2159, 2540, 2930, 4318, 4981, 5860, 8636, 9962, 10795, 19924, 21590, 24905, 37211, 43180, 49810, 74422, 99620, 148844, 186055, 372110, 632587, 744220, 1265174, 2530348, 3162935, 6325870, 12651740]

約数ペア:

[(1, 12651740), (2, 6325870), (4, 3162935), (5, 2530348), (10, 1265174), (17, 744220), (20, 632587), (34, 372110), (68, 186055), (85, 148844), (127, 99620), (170, 74422), (254, 49810), (293, 43180), (340, 37211), (508, 24905), (586, 21590), (635, 19924), (1172, 10795), (1270, 9962), (1465, 8636), (2159, 5860), (2540, 4981), (2930, 4318)]