20101704800

素因数分解:

$2^5\times 5^2\times {\mathrm{107}}^1\times {\mathrm{234833}}^1$

素因数の和:234960

約数の個数: 72

約数和(自身を含む): 49532126616

約数和(自身を除く): 29430421816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 107, 160, 200, 214, 400, 428, 535, 800, 856, 1070, 1712, 2140, 2675, 3424, 4280, 5350, 8560, 10700, 17120, 21400, 42800, 85600, 234833, 469666, 939332, 1174165, 1878664, 2348330, 3757328, 4696660, 5870825, 7514656, 9393320, 11741650, 18786640, 23483300, 25127131, 37573280, 46966600, 50254262, 93933200, 100508524, 125635655, 187866400, 201017048, 251271310, 402034096, 502542620, 628178275, 804068192, 1005085240, 1256356550, 2010170480, 2512713100, 4020340960, 5025426200, 10050852400, 20101704800]

約数ペア:

[(1, 20101704800), (2, 10050852400), (4, 5025426200), (5, 4020340960), (8, 2512713100), (10, 2010170480), (16, 1256356550), (20, 1005085240), (25, 804068192), (32, 628178275), (40, 502542620), (50, 402034096), (80, 251271310), (100, 201017048), (107, 187866400), (160, 125635655), (200, 100508524), (214, 93933200), (400, 50254262), (428, 46966600), (535, 37573280), (800, 25127131), (856, 23483300), (1070, 18786640), (1712, 11741650), (2140, 9393320), (2675, 7514656), (3424, 5870825), (4280, 4696660), (5350, 3757328), (8560, 2348330), (10700, 1878664), (17120, 1174165), (21400, 939332), (42800, 469666), (85600, 234833)]