1640474410

素因数分解:

$2^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{479}}^1\times {\mathrm{1721}}^1$

素因数の和:2406

約数の個数: 32

約数和(自身を含む): 2975616000

約数和(自身を除く): 1335141590

約数列:

[1, 2, 5, 10, 199, 398, 479, 958, 995, 1721, 1990, 2395, 3442, 4790, 8605, 17210, 95321, 190642, 342479, 476605, 684958, 824359, 953210, 1648718, 1712395, 3424790, 4121795, 8243590, 164047441, 328094882, 820237205, 1640474410]

約数ペア:

[(1, 1640474410), (2, 820237205), (5, 328094882), (10, 164047441), (199, 8243590), (398, 4121795), (479, 3424790), (958, 1712395), (995, 1648718), (1721, 953210), (1990, 824359), (2395, 684958), (3442, 476605), (4790, 342479), (8605, 190642), (17210, 95321)]