2783440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3163}}^1$

素因数の和:3187

約数の個数: 40

約数和(自身を含む): 7062048

約数和(自身を除く): 4278608

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 3163, 6326, 12652, 15815, 25304, 31630, 34793, 50608, 63260, 69586, 126520, 139172, 173965, 253040, 278344, 347930, 556688, 695860, 1391720, 2783440]

約数ペア:

[(1, 2783440), (2, 1391720), (4, 695860), (5, 556688), (8, 347930), (10, 278344), (11, 253040), (16, 173965), (20, 139172), (22, 126520), (40, 69586), (44, 63260), (55, 50608), (80, 34793), (88, 31630), (110, 25304), (176, 15815), (220, 12652), (440, 6326), (880, 3163)]