18805400

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{5531}}^1$

素因数の和:5564

約数の個数: 48

約数和(自身を含む): 46302840

約数和(自身を除く): 27497440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 170, 200, 340, 425, 680, 850, 1700, 3400, 5531, 11062, 22124, 27655, 44248, 55310, 94027, 110620, 138275, 188054, 221240, 276550, 376108, 470135, 553100, 752216, 940270, 1106200, 1880540, 2350675, 3761080, 4701350, 9402700, 18805400]

約数ペア:

[(1, 18805400), (2, 9402700), (4, 4701350), (5, 3761080), (8, 2350675), (10, 1880540), (17, 1106200), (20, 940270), (25, 752216), (34, 553100), (40, 470135), (50, 376108), (68, 276550), (85, 221240), (100, 188054), (136, 138275), (170, 110620), (200, 94027), (340, 55310), (425, 44248), (680, 27655), (850, 22124), (1700, 11062), (3400, 5531)]