40008080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71443}}^1$

素因数の和:71463

約数の個数: 40

約数和(自身を含む): 106308672

約数和(自身を除く): 66300592

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 71443, 142886, 285772, 357215, 500101, 571544, 714430, 1000202, 1143088, 1428860, 2000404, 2500505, 2857720, 4000808, 5001010, 5715440, 8001616, 10002020, 20004040, 40008080]

約数ペア:

[(1, 40008080), (2, 20004040), (4, 10002020), (5, 8001616), (7, 5715440), (8, 5001010), (10, 4000808), (14, 2857720), (16, 2500505), (20, 2000404), (28, 1428860), (35, 1143088), (40, 1000202), (56, 714430), (70, 571544), (80, 500101), (112, 357215), (140, 285772), (280, 142886), (560, 71443)]