31069870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1201}}^1$

素因数の和:1420

約数の個数: 32

約数和(自身を含む): 60580800

約数和(自身を除く): 29510930

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 199, 398, 995, 1201, 1990, 2402, 2587, 5174, 6005, 12010, 12935, 15613, 25870, 31226, 78065, 156130, 238999, 477998, 1194995, 2389990, 3106987, 6213974, 15534935, 31069870]

約数ペア:

[(1, 31069870), (2, 15534935), (5, 6213974), (10, 3106987), (13, 2389990), (26, 1194995), (65, 477998), (130, 238999), (199, 156130), (398, 78065), (995, 31226), (1201, 25870), (1990, 15613), (2402, 12935), (2587, 12010), (5174, 6005)]