1996720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2269}}^1$

素因数の和:2293

約数の個数: 40

約数和(自身を含む): 5066640

約数和(自身を除く): 3069920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 2269, 4538, 9076, 11345, 18152, 22690, 24959, 36304, 45380, 49918, 90760, 99836, 124795, 181520, 199672, 249590, 399344, 499180, 998360, 1996720]

約数ペア:

[(1, 1996720), (2, 998360), (4, 499180), (5, 399344), (8, 249590), (10, 199672), (11, 181520), (16, 124795), (20, 99836), (22, 90760), (40, 49918), (44, 45380), (55, 36304), (80, 24959), (88, 22690), (110, 18152), (176, 11345), (220, 9076), (440, 4538), (880, 2269)]