81657400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37117}}^1$

素因数の和:37144

約数の個数: 48

約数和(自身を含む): 207118440

約数和(自身を除く): 125461040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 1100, 2200, 37117, 74234, 148468, 185585, 296936, 371170, 408287, 742340, 816574, 927925, 1484680, 1633148, 1855850, 2041435, 3266296, 3711700, 4082870, 7423400, 8165740, 10207175, 16331480, 20414350, 40828700, 81657400]

約数ペア:

[(1, 81657400), (2, 40828700), (4, 20414350), (5, 16331480), (8, 10207175), (10, 8165740), (11, 7423400), (20, 4082870), (22, 3711700), (25, 3266296), (40, 2041435), (44, 1855850), (50, 1633148), (55, 1484680), (88, 927925), (100, 816574), (110, 742340), (200, 408287), (220, 371170), (275, 296936), (440, 185585), (550, 148468), (1100, 74234), (2200, 37117)]