4142080

素因数分解:

$2^{10}\times 5^1\times {\mathrm{809}}^1$

素因数の和:834

約数の個数: 44

約数和(自身を含む): 9948420

約数和(自身を除く): 5806340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 809, 1024, 1280, 1618, 2560, 3236, 4045, 5120, 6472, 8090, 12944, 16180, 25888, 32360, 51776, 64720, 103552, 129440, 207104, 258880, 414208, 517760, 828416, 1035520, 2071040, 4142080]

約数ペア:

[(1, 4142080), (2, 2071040), (4, 1035520), (5, 828416), (8, 517760), (10, 414208), (16, 258880), (20, 207104), (32, 129440), (40, 103552), (64, 64720), (80, 51776), (128, 32360), (160, 25888), (256, 16180), (320, 12944), (512, 8090), (640, 6472), (809, 5120), (1024, 4045), (1280, 3236), (1618, 2560)]