85541720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{194413}}^1$

素因数の和:194435

約数の個数: 32

約数和(自身を含む): 209967120

約数和(自身を除く): 124425400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 194413, 388826, 777652, 972065, 1555304, 1944130, 2138543, 3888260, 4277086, 7776520, 8554172, 10692715, 17108344, 21385430, 42770860, 85541720]

約数ペア:

[(1, 85541720), (2, 42770860), (4, 21385430), (5, 17108344), (8, 10692715), (10, 8554172), (11, 7776520), (20, 4277086), (22, 3888260), (40, 2138543), (44, 1944130), (55, 1555304), (88, 972065), (110, 777652), (220, 388826), (440, 194413)]