25398896

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:166

約数の個数: 80

約数和(自身を含む): 55651200

約数和(自身を除く): 30252304

約数列:

[1, 2, 4, 8, 16, 19, 29, 38, 43, 58, 67, 76, 86, 116, 134, 152, 172, 232, 268, 304, 344, 464, 536, 551, 688, 817, 1072, 1102, 1247, 1273, 1634, 1943, 2204, 2494, 2546, 2881, 3268, 3886, 4408, 4988, 5092, 5762, 6536, 7772, 8816, 9976, 10184, 11524, 13072, 15544, 19952, 20368, 23048, 23693, 31088, 36917, 46096, 47386, 54739, 73834, 83549, 94772, 109478, 147668, 167098, 189544, 218956, 295336, 334196, 379088, 437912, 590672, 668392, 875824, 1336784, 1587431, 3174862, 6349724, 12699448, 25398896]

約数ペア:

[(1, 25398896), (2, 12699448), (4, 6349724), (8, 3174862), (16, 1587431), (19, 1336784), (29, 875824), (38, 668392), (43, 590672), (58, 437912), (67, 379088), (76, 334196), (86, 295336), (116, 218956), (134, 189544), (152, 167098), (172, 147668), (232, 109478), (268, 94772), (304, 83549), (344, 73834), (464, 54739), (536, 47386), (551, 46096), (688, 36917), (817, 31088), (1072, 23693), (1102, 23048), (1247, 20368), (1273, 19952), (1634, 15544), (1943, 13072), (2204, 11524), (2494, 10184), (2546, 9976), (2881, 8816), (3268, 7772), (3886, 6536), (4408, 5762), (4988, 5092)]