45000080

素因数分解:

$2^4\times 5^1\times {\mathrm{562501}}^1$

素因数の和:562514

約数の個数: 20

約数和(自身を含む): 104625372

約数和(自身を除く): 59625292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 562501, 1125002, 2250004, 2812505, 4500008, 5625010, 9000016, 11250020, 22500040, 45000080]

約数ペア:

[(1, 45000080), (2, 22500040), (4, 11250020), (5, 9000016), (8, 5625010), (10, 4500008), (16, 2812505), (20, 2250004), (40, 1125002), (80, 562501)]