26821880

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{4271}}^1$

素因数の和:4439

約数の個数: 32

約数和(自身を含む): 60747840

約数和(自身を除く): 33925960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 4271, 6280, 8542, 17084, 21355, 34168, 42710, 85420, 170840, 670547, 1341094, 2682188, 3352735, 5364376, 6705470, 13410940, 26821880]

約数ペア:

[(1, 26821880), (2, 13410940), (4, 6705470), (5, 5364376), (8, 3352735), (10, 2682188), (20, 1341094), (40, 670547), (157, 170840), (314, 85420), (628, 42710), (785, 34168), (1256, 21355), (1570, 17084), (3140, 8542), (4271, 6280)]