25160240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{251}}^1$

素因数の和:450

約数の個数: 80

約数和(自身を含む): 67495680

約数和(自身を除く): 42335440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 179, 251, 280, 358, 502, 560, 716, 895, 1004, 1253, 1255, 1432, 1757, 1790, 2008, 2506, 2510, 2864, 3514, 3580, 4016, 5012, 5020, 6265, 7028, 7160, 8785, 10024, 10040, 12530, 14056, 14320, 17570, 20048, 20080, 25060, 28112, 35140, 44929, 50120, 70280, 89858, 100240, 140560, 179716, 224645, 314503, 359432, 449290, 629006, 718864, 898580, 1258012, 1572515, 1797160, 2516024, 3145030, 3594320, 5032048, 6290060, 12580120, 25160240]

約数ペア:

[(1, 25160240), (2, 12580120), (4, 6290060), (5, 5032048), (7, 3594320), (8, 3145030), (10, 2516024), (14, 1797160), (16, 1572515), (20, 1258012), (28, 898580), (35, 718864), (40, 629006), (56, 449290), (70, 359432), (80, 314503), (112, 224645), (140, 179716), (179, 140560), (251, 100240), (280, 89858), (358, 70280), (502, 50120), (560, 44929), (716, 35140), (895, 28112), (1004, 25060), (1253, 20080), (1255, 20048), (1432, 17570), (1757, 14320), (1790, 14056), (2008, 12530), (2506, 10040), (2510, 10024), (2864, 8785), (3514, 7160), (3580, 7028), (4016, 6265), (5012, 5020)]