2656554520

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1\times {\mathrm{6779}}^1$

素因数の和:6988

約数の個数: 64

約数和(自身を含む): 6099559200

約数和(自身を除く): 3443004680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 101, 194, 202, 388, 404, 485, 505, 776, 808, 970, 1010, 1940, 2020, 3880, 4040, 6779, 9797, 13558, 19594, 27116, 33895, 39188, 48985, 54232, 67790, 78376, 97970, 135580, 195940, 271160, 391880, 657563, 684679, 1315126, 1369358, 2630252, 2738716, 3287815, 3423395, 5260504, 5477432, 6575630, 6846790, 13151260, 13693580, 26302520, 27387160, 66413863, 132827726, 265655452, 332069315, 531310904, 664138630, 1328277260, 2656554520]

約数ペア:

[(1, 2656554520), (2, 1328277260), (4, 664138630), (5, 531310904), (8, 332069315), (10, 265655452), (20, 132827726), (40, 66413863), (97, 27387160), (101, 26302520), (194, 13693580), (202, 13151260), (388, 6846790), (404, 6575630), (485, 5477432), (505, 5260504), (776, 3423395), (808, 3287815), (970, 2738716), (1010, 2630252), (1940, 1369358), (2020, 1315126), (3880, 684679), (4040, 657563), (6779, 391880), (9797, 271160), (13558, 195940), (19594, 135580), (27116, 97970), (33895, 78376), (39188, 67790), (48985, 54232)]