200920040

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{48767}}^1$

素因数の和:48881

約数の個数: 32

約数和(自身を含む): 456468480

約数和(自身を除く): 255548440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 48767, 97534, 195068, 243835, 390136, 487670, 975340, 1950680, 5023001, 10046002, 20092004, 25115005, 40184008, 50230010, 100460020, 200920040]

約数ペア:

[(1, 200920040), (2, 100460020), (4, 50230010), (5, 40184008), (8, 25115005), (10, 20092004), (20, 10046002), (40, 5023001), (103, 1950680), (206, 975340), (412, 487670), (515, 390136), (824, 243835), (1030, 195068), (2060, 97534), (4120, 48767)]