72497480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{164767}}^1$

素因数の和:164789

約数の個数: 32

約数和(自身を含む): 177949440

約数和(自身を除く): 105451960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 164767, 329534, 659068, 823835, 1318136, 1647670, 1812437, 3295340, 3624874, 6590680, 7249748, 9062185, 14499496, 18124370, 36248740, 72497480]

約数ペア:

[(1, 72497480), (2, 36248740), (4, 18124370), (5, 14499496), (8, 9062185), (10, 7249748), (11, 6590680), (20, 3624874), (22, 3295340), (40, 1812437), (44, 1647670), (55, 1318136), (88, 823835), (110, 659068), (220, 329534), (440, 164767)]