26278640

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{241}}^1$

素因数の和:330

約数の個数: 80

約数和(自身を含む): 64817280

約数和(自身を除く): 38538640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 47, 58, 80, 94, 116, 145, 188, 232, 235, 241, 290, 376, 464, 470, 482, 580, 752, 940, 964, 1160, 1205, 1363, 1880, 1928, 2320, 2410, 2726, 3760, 3856, 4820, 5452, 6815, 6989, 9640, 10904, 11327, 13630, 13978, 19280, 21808, 22654, 27260, 27956, 34945, 45308, 54520, 55912, 56635, 69890, 90616, 109040, 111824, 113270, 139780, 181232, 226540, 279560, 328483, 453080, 559120, 656966, 906160, 1313932, 1642415, 2627864, 3284830, 5255728, 6569660, 13139320, 26278640]

約数ペア:

[(1, 26278640), (2, 13139320), (4, 6569660), (5, 5255728), (8, 3284830), (10, 2627864), (16, 1642415), (20, 1313932), (29, 906160), (40, 656966), (47, 559120), (58, 453080), (80, 328483), (94, 279560), (116, 226540), (145, 181232), (188, 139780), (232, 113270), (235, 111824), (241, 109040), (290, 90616), (376, 69890), (464, 56635), (470, 55912), (482, 54520), (580, 45308), (752, 34945), (940, 27956), (964, 27260), (1160, 22654), (1205, 21808), (1363, 19280), (1880, 13978), (1928, 13630), (2320, 11327), (2410, 10904), (2726, 9640), (3760, 6989), (3856, 6815), (4820, 5452)]