283520

素因数分解:

$2^7\times 5^1\times {\mathrm{443}}^1$

素因数の和:462

約数の個数: 32

約数和(自身を含む): 679320

約数和(自身を除く): 395800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 443, 640, 886, 1772, 2215, 3544, 4430, 7088, 8860, 14176, 17720, 28352, 35440, 56704, 70880, 141760, 283520]

約数ペア:

[(1, 283520), (2, 141760), (4, 70880), (5, 56704), (8, 35440), (10, 28352), (16, 17720), (20, 14176), (32, 8860), (40, 7088), (64, 4430), (80, 3544), (128, 2215), (160, 1772), (320, 886), (443, 640)]