2000080

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1087}}^1$

素因数の和:1123

約数の個数: 40

約数和(自身を含む): 4856832

約数和(自身を除く): 2856752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1087, 1840, 2174, 4348, 5435, 8696, 10870, 17392, 21740, 25001, 43480, 50002, 86960, 100004, 125005, 200008, 250010, 400016, 500020, 1000040, 2000080]

約数ペア:

[(1, 2000080), (2, 1000040), (4, 500020), (5, 400016), (8, 250010), (10, 200008), (16, 125005), (20, 100004), (23, 86960), (40, 50002), (46, 43480), (80, 25001), (92, 21740), (115, 17392), (184, 10870), (230, 8696), (368, 5435), (460, 4348), (920, 2174), (1087, 1840)]