25137280

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:238

約数の個数: 128

約数和(自身を含む): 71285760

約数和(自身を除く): 46148480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 181, 217, 224, 248, 280, 310, 320, 362, 434, 448, 496, 560, 620, 640, 724, 868, 896, 905, 992, 1085, 1120, 1240, 1267, 1448, 1736, 1810, 1984, 2170, 2240, 2480, 2534, 2896, 3472, 3620, 3968, 4340, 4480, 4960, 5068, 5611, 5792, 6335, 6944, 7240, 8680, 9920, 10136, 11222, 11584, 12670, 13888, 14480, 17360, 19840, 20272, 22444, 23168, 25340, 27776, 28055, 28960, 34720, 39277, 40544, 44888, 50680, 56110, 57920, 69440, 78554, 81088, 89776, 101360, 112220, 115840, 138880, 157108, 162176, 179552, 196385, 202720, 224440, 314216, 359104, 392770, 405440, 448880, 628432, 718208, 785540, 810880, 897760, 1256864, 1571080, 1795520, 2513728, 3142160, 3591040, 5027456, 6284320, 12568640, 25137280]

約数ペア:

[(1, 25137280), (2, 12568640), (4, 6284320), (5, 5027456), (7, 3591040), (8, 3142160), (10, 2513728), (14, 1795520), (16, 1571080), (20, 1256864), (28, 897760), (31, 810880), (32, 785540), (35, 718208), (40, 628432), (56, 448880), (62, 405440), (64, 392770), (70, 359104), (80, 314216), (112, 224440), (124, 202720), (128, 196385), (140, 179552), (155, 162176), (160, 157108), (181, 138880), (217, 115840), (224, 112220), (248, 101360), (280, 89776), (310, 81088), (320, 78554), (362, 69440), (434, 57920), (448, 56110), (496, 50680), (560, 44888), (620, 40544), (640, 39277), (724, 34720), (868, 28960), (896, 28055), (905, 27776), (992, 25340), (1085, 23168), (1120, 22444), (1240, 20272), (1267, 19840), (1448, 17360), (1736, 14480), (1810, 13888), (1984, 12670), (2170, 11584), (2240, 11222), (2480, 10136), (2534, 9920), (2896, 8680), (3472, 7240), (3620, 6944), (3968, 6335), (4340, 5792), (4480, 5611), (4960, 5068)]