25714640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{977}}^1$

素因数の和:1044

約数の個数: 80

約数和(自身を含む): 69852672

約数和(自身を除く): 44138032

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 56, 70, 80, 94, 112, 140, 188, 235, 280, 329, 376, 470, 560, 658, 752, 940, 977, 1316, 1645, 1880, 1954, 2632, 3290, 3760, 3908, 4885, 5264, 6580, 6839, 7816, 9770, 13160, 13678, 15632, 19540, 26320, 27356, 34195, 39080, 45919, 54712, 68390, 78160, 91838, 109424, 136780, 183676, 229595, 273560, 321433, 367352, 459190, 547120, 642866, 734704, 918380, 1285732, 1607165, 1836760, 2571464, 3214330, 3673520, 5142928, 6428660, 12857320, 25714640]

約数ペア:

[(1, 25714640), (2, 12857320), (4, 6428660), (5, 5142928), (7, 3673520), (8, 3214330), (10, 2571464), (14, 1836760), (16, 1607165), (20, 1285732), (28, 918380), (35, 734704), (40, 642866), (47, 547120), (56, 459190), (70, 367352), (80, 321433), (94, 273560), (112, 229595), (140, 183676), (188, 136780), (235, 109424), (280, 91838), (329, 78160), (376, 68390), (470, 54712), (560, 45919), (658, 39080), (752, 34195), (940, 27356), (977, 26320), (1316, 19540), (1645, 15632), (1880, 13678), (1954, 13160), (2632, 9770), (3290, 7816), (3760, 6839), (3908, 6580), (4885, 5264)]