72552920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{164893}}^1$

素因数の和:164915

約数の個数: 32

約数和(自身を含む): 178085520

約数和(自身を除く): 105532600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 164893, 329786, 659572, 824465, 1319144, 1648930, 1813823, 3297860, 3627646, 6595720, 7255292, 9069115, 14510584, 18138230, 36276460, 72552920]

約数ペア:

[(1, 72552920), (2, 36276460), (4, 18138230), (5, 14510584), (8, 9069115), (10, 7255292), (11, 6595720), (20, 3627646), (22, 3297860), (40, 1813823), (44, 1648930), (55, 1319144), (88, 824465), (110, 659572), (220, 329786), (440, 164893)]