26947640

素因数分解:

$2^3\times 5^1\times {\mathrm{641}}^1\times {\mathrm{1051}}^1$

素因数の和:1703

約数の個数: 32

約数和(自身を含む): 60784560

約数和(自身を除く): 33836920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 641, 1051, 1282, 2102, 2564, 3205, 4204, 5128, 5255, 6410, 8408, 10510, 12820, 21020, 25640, 42040, 673691, 1347382, 2694764, 3368455, 5389528, 6736910, 13473820, 26947640]

約数ペア:

[(1, 26947640), (2, 13473820), (4, 6736910), (5, 5389528), (8, 3368455), (10, 2694764), (20, 1347382), (40, 673691), (641, 42040), (1051, 25640), (1282, 21020), (2102, 12820), (2564, 10510), (3205, 8408), (4204, 6410), (5128, 5255)]