72639160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{165089}}^1$

素因数の和:165111

約数の個数: 32

約数和(自身を含む): 178297200

約数和(自身を除く): 105658040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 165089, 330178, 660356, 825445, 1320712, 1650890, 1815979, 3301780, 3631958, 6603560, 7263916, 9079895, 14527832, 18159790, 36319580, 72639160]

約数ペア:

[(1, 72639160), (2, 36319580), (4, 18159790), (5, 14527832), (8, 9079895), (10, 7263916), (11, 6603560), (20, 3631958), (22, 3301780), (40, 1815979), (44, 1650890), (55, 1320712), (88, 825445), (110, 660356), (220, 330178), (440, 165089)]