128045562800

素因数分解:

$2^4\times 5^2\times {\mathrm{163}}^1\times {\mathrm{1963889}}^1$

素因数の和:1964070

約数の個数: 60

約数和(自身を含む): 309516919560

約数和(自身を除く): 181471356760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 163, 200, 326, 400, 652, 815, 1304, 1630, 2608, 3260, 4075, 6520, 8150, 13040, 16300, 32600, 65200, 1963889, 3927778, 7855556, 9819445, 15711112, 19638890, 31422224, 39277780, 49097225, 78555560, 98194450, 157111120, 196388900, 320113907, 392777800, 640227814, 785555600, 1280455628, 1600569535, 2560911256, 3201139070, 5121822512, 6402278140, 8002847675, 12804556280, 16005695350, 25609112560, 32011390700, 64022781400, 128045562800]

約数ペア:

[(1, 128045562800), (2, 64022781400), (4, 32011390700), (5, 25609112560), (8, 16005695350), (10, 12804556280), (16, 8002847675), (20, 6402278140), (25, 5121822512), (40, 3201139070), (50, 2560911256), (80, 1600569535), (100, 1280455628), (163, 785555600), (200, 640227814), (326, 392777800), (400, 320113907), (652, 196388900), (815, 157111120), (1304, 98194450), (1630, 78555560), (2608, 49097225), (3260, 39277780), (4075, 31422224), (6520, 19638890), (8150, 15711112), (13040, 9819445), (16300, 7855556), (32600, 3927778), (65200, 1963889)]