2071040

素因数分解:

$2^9\times 5^1\times {\mathrm{809}}^1$

素因数の和:832

約数の個数: 40

約数和(自身を含む): 4971780

約数和(自身を除く): 2900740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 809, 1280, 1618, 2560, 3236, 4045, 6472, 8090, 12944, 16180, 25888, 32360, 51776, 64720, 103552, 129440, 207104, 258880, 414208, 517760, 1035520, 2071040]

約数ペア:

[(1, 2071040), (2, 1035520), (4, 517760), (5, 414208), (8, 258880), (10, 207104), (16, 129440), (20, 103552), (32, 64720), (40, 51776), (64, 32360), (80, 25888), (128, 16180), (160, 12944), (256, 8090), (320, 6472), (512, 4045), (640, 3236), (809, 2560), (1280, 1618)]