8002720

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4547}}^1$

素因数の和:4573

約数の個数: 48

約数和(自身を含む): 20629728

約数和(自身を除く): 12627008

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 4547, 9094, 18188, 22735, 36376, 45470, 50017, 72752, 90940, 100034, 145504, 181880, 200068, 250085, 363760, 400136, 500170, 727520, 800272, 1000340, 1600544, 2000680, 4001360, 8002720]

約数ペア:

[(1, 8002720), (2, 4001360), (4, 2000680), (5, 1600544), (8, 1000340), (10, 800272), (11, 727520), (16, 500170), (20, 400136), (22, 363760), (32, 250085), (40, 200068), (44, 181880), (55, 145504), (80, 100034), (88, 90940), (110, 72752), (160, 50017), (176, 45470), (220, 36376), (352, 22735), (440, 18188), (880, 9094), (1760, 4547)]