26890780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{797}}^1$

素因数の和:1054

約数の個数: 48

約数和(自身を含む): 64886976

約数和(自身を除く): 37996196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 241, 482, 797, 964, 1205, 1594, 1687, 2410, 3188, 3374, 3985, 4820, 5579, 6748, 7970, 8435, 11158, 15940, 16870, 22316, 27895, 33740, 55790, 111580, 192077, 384154, 768308, 960385, 1344539, 1920770, 2689078, 3841540, 5378156, 6722695, 13445390, 26890780]

約数ペア:

[(1, 26890780), (2, 13445390), (4, 6722695), (5, 5378156), (7, 3841540), (10, 2689078), (14, 1920770), (20, 1344539), (28, 960385), (35, 768308), (70, 384154), (140, 192077), (241, 111580), (482, 55790), (797, 33740), (964, 27895), (1205, 22316), (1594, 16870), (1687, 15940), (2410, 11158), (3188, 8435), (3374, 7970), (3985, 6748), (4820, 5579)]