13478270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{521}}^1$

素因数の和:740

約数の個数: 32

約数和(自身を含む): 26308800

約数和(自身を除く): 12830530

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 199, 398, 521, 995, 1042, 1990, 2587, 2605, 5174, 5210, 6773, 12935, 13546, 25870, 33865, 67730, 103679, 207358, 518395, 1036790, 1347827, 2695654, 6739135, 13478270]

約数ペア:

[(1, 13478270), (2, 6739135), (5, 2695654), (10, 1347827), (13, 1036790), (26, 518395), (65, 207358), (130, 103679), (199, 67730), (398, 33865), (521, 25870), (995, 13546), (1042, 12935), (1990, 6773), (2587, 5210), (2605, 5174)]