13020640

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4787}}^1$

素因数の和:4819

約数の個数: 48

約数和(自身を含む): 32577552

約数和(自身を除く): 19556912

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 4787, 9574, 19148, 23935, 38296, 47870, 76592, 81379, 95740, 153184, 162758, 191480, 325516, 382960, 406895, 651032, 765920, 813790, 1302064, 1627580, 2604128, 3255160, 6510320, 13020640]

約数ペア:

[(1, 13020640), (2, 6510320), (4, 3255160), (5, 2604128), (8, 1627580), (10, 1302064), (16, 813790), (17, 765920), (20, 651032), (32, 406895), (34, 382960), (40, 325516), (68, 191480), (80, 162758), (85, 153184), (136, 95740), (160, 81379), (170, 76592), (272, 47870), (340, 38296), (544, 23935), (680, 19148), (1360, 9574), (2720, 4787)]