61662920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{140143}}^1$

素因数の和:140165

約数の個数: 32

約数和(自身を含む): 151355520

約数和(自身を除く): 89692600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 140143, 280286, 560572, 700715, 1121144, 1401430, 1541573, 2802860, 3083146, 5605720, 6166292, 7707865, 12332584, 15415730, 30831460, 61662920]

約数ペア:

[(1, 61662920), (2, 30831460), (4, 15415730), (5, 12332584), (8, 7707865), (10, 6166292), (11, 5605720), (20, 3083146), (22, 2802860), (40, 1541573), (44, 1401430), (55, 1121144), (88, 700715), (110, 560572), (220, 280286), (440, 140143)]