6787400440

素因数分解:

$2^3\times 5^1\times {\mathrm{521}}^1\times {\mathrm{325691}}^1$

素因数の和:326223

約数の個数: 32

約数和(自身を含む): 15301010160

約数和(自身を除く): 8513609720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 521, 1042, 2084, 2605, 4168, 5210, 10420, 20840, 325691, 651382, 1302764, 1628455, 2605528, 3256910, 6513820, 13027640, 169685011, 339370022, 678740044, 848425055, 1357480088, 1696850110, 3393700220, 6787400440]

約数ペア:

[(1, 6787400440), (2, 3393700220), (4, 1696850110), (5, 1357480088), (8, 848425055), (10, 678740044), (20, 339370022), (40, 169685011), (521, 13027640), (1042, 6513820), (2084, 3256910), (2605, 2605528), (4168, 1628455), (5210, 1302764), (10420, 651382), (20840, 325691)]