1004040080

素因数分解:

$2^4\times 5^1\times {\mathrm{12550501}}^1$

素因数の和:12550514

約数の個数: 20

約数和(自身を含む): 2334393372

約数和(自身を除く): 1330353292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 12550501, 25101002, 50202004, 62752505, 100404008, 125505010, 200808016, 251010020, 502020040, 1004040080]

約数ペア:

[(1, 1004040080), (2, 502020040), (4, 251010020), (5, 200808016), (8, 125505010), (10, 100404008), (16, 62752505), (20, 50202004), (40, 25101002), (80, 12550501)]