2880680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{6547}}^1$

素因数の和:6569

約数の個数: 32

約数和(自身を含む): 7071840

約数和(自身を除く): 4191160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 6547, 13094, 26188, 32735, 52376, 65470, 72017, 130940, 144034, 261880, 288068, 360085, 576136, 720170, 1440340, 2880680]

約数ペア:

[(1, 2880680), (2, 1440340), (4, 720170), (5, 576136), (8, 360085), (10, 288068), (11, 261880), (20, 144034), (22, 130940), (40, 72017), (44, 65470), (55, 52376), (88, 32735), (110, 26188), (220, 13094), (440, 6547)]