42891520

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{4787}}^1$

素因数の和:4815

約数の個数: 72

約数和(自身を含む): 117440064

約数和(自身を除く): 74548544

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 4787, 8960, 9574, 19148, 23935, 33509, 38296, 47870, 67018, 76592, 95740, 134036, 153184, 167545, 191480, 268072, 306368, 335090, 382960, 536144, 612736, 670180, 765920, 1072288, 1225472, 1340360, 1531840, 2144576, 2680720, 3063680, 4289152, 5361440, 6127360, 8578304, 10722880, 21445760, 42891520]

約数ペア:

[(1, 42891520), (2, 21445760), (4, 10722880), (5, 8578304), (7, 6127360), (8, 5361440), (10, 4289152), (14, 3063680), (16, 2680720), (20, 2144576), (28, 1531840), (32, 1340360), (35, 1225472), (40, 1072288), (56, 765920), (64, 670180), (70, 612736), (80, 536144), (112, 382960), (128, 335090), (140, 306368), (160, 268072), (224, 191480), (256, 167545), (280, 153184), (320, 134036), (448, 95740), (560, 76592), (640, 67018), (896, 47870), (1120, 38296), (1280, 33509), (1792, 23935), (2240, 19148), (4480, 9574), (4787, 8960)]