5665280

素因数分解:

$2^9\times 5^1\times {\mathrm{2213}}^1$

素因数の和:2236

約数の個数: 40

約数和(自身を含む): 13589532

約数和(自身を除く): 7924252

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2213, 2560, 4426, 8852, 11065, 17704, 22130, 35408, 44260, 70816, 88520, 141632, 177040, 283264, 354080, 566528, 708160, 1133056, 1416320, 2832640, 5665280]

約数ペア:

[(1, 5665280), (2, 2832640), (4, 1416320), (5, 1133056), (8, 708160), (10, 566528), (16, 354080), (20, 283264), (32, 177040), (40, 141632), (64, 88520), (80, 70816), (128, 44260), (160, 35408), (256, 22130), (320, 17704), (512, 11065), (640, 8852), (1280, 4426), (2213, 2560)]