19859200

素因数分解:

$2^8\times 5^2\times {\mathrm{29}}^1\times {\mathrm{107}}^1$

素因数の和:162

約数の個数: 108

約数和(自身を含む): 51324840

約数和(自身を除く): 31465640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 32, 40, 50, 58, 64, 80, 100, 107, 116, 128, 145, 160, 200, 214, 232, 256, 290, 320, 400, 428, 464, 535, 580, 640, 725, 800, 856, 928, 1070, 1160, 1280, 1450, 1600, 1712, 1856, 2140, 2320, 2675, 2900, 3103, 3200, 3424, 3712, 4280, 4640, 5350, 5800, 6206, 6400, 6848, 7424, 8560, 9280, 10700, 11600, 12412, 13696, 15515, 17120, 18560, 21400, 23200, 24824, 27392, 31030, 34240, 37120, 42800, 46400, 49648, 62060, 68480, 77575, 85600, 92800, 99296, 124120, 136960, 155150, 171200, 185600, 198592, 248240, 310300, 342400, 397184, 496480, 620600, 684800, 794368, 992960, 1241200, 1985920, 2482400, 3971840, 4964800, 9929600, 19859200]

約数ペア:

[(1, 19859200), (2, 9929600), (4, 4964800), (5, 3971840), (8, 2482400), (10, 1985920), (16, 1241200), (20, 992960), (25, 794368), (29, 684800), (32, 620600), (40, 496480), (50, 397184), (58, 342400), (64, 310300), (80, 248240), (100, 198592), (107, 185600), (116, 171200), (128, 155150), (145, 136960), (160, 124120), (200, 99296), (214, 92800), (232, 85600), (256, 77575), (290, 68480), (320, 62060), (400, 49648), (428, 46400), (464, 42800), (535, 37120), (580, 34240), (640, 31030), (725, 27392), (800, 24824), (856, 23200), (928, 21400), (1070, 18560), (1160, 17120), (1280, 15515), (1450, 13696), (1600, 12412), (1712, 11600), (1856, 10700), (2140, 9280), (2320, 8560), (2675, 7424), (2900, 6848), (3103, 6400), (3200, 6206), (3424, 5800), (3712, 5350), (4280, 4640)]