40017080

素因数分解:

$2^3\times 5^1\times {\mathrm{1000427}}^1$

素因数の和:1000438

約数の個数: 16

約数和(自身を含む): 90038520

約数和(自身を除く): 50021440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1000427, 2000854, 4001708, 5002135, 8003416, 10004270, 20008540, 40017080]

約数ペア:

[(1, 40017080), (2, 20008540), (4, 10004270), (5, 8003416), (8, 5002135), (10, 4001708), (20, 2000854), (40, 1000427)]