42120080

素因数分解:

$2^4\times 5^1\times {\mathrm{526501}}^1$

素因数の和:526514

約数の個数: 20

約数和(自身を含む): 97929372

約数和(自身を除く): 55809292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 526501, 1053002, 2106004, 2632505, 4212008, 5265010, 8424016, 10530020, 21060040, 42120080]

約数ペア:

[(1, 42120080), (2, 21060040), (4, 10530020), (5, 8424016), (8, 5265010), (10, 4212008), (16, 2632505), (20, 2106004), (40, 1053002), (80, 526501)]