26800240

素因数分解:

$2^4\times 5^1\times {\mathrm{521}}^1\times {\mathrm{643}}^1$

素因数の和:1177

約数の個数: 40

約数和(自身を含む): 62527248

約数和(自身を除く): 35727008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 521, 643, 1042, 1286, 2084, 2572, 2605, 3215, 4168, 5144, 5210, 6430, 8336, 10288, 10420, 12860, 20840, 25720, 41680, 51440, 335003, 670006, 1340012, 1675015, 2680024, 3350030, 5360048, 6700060, 13400120, 26800240]

約数ペア:

[(1, 26800240), (2, 13400120), (4, 6700060), (5, 5360048), (8, 3350030), (10, 2680024), (16, 1675015), (20, 1340012), (40, 670006), (80, 335003), (521, 51440), (643, 41680), (1042, 25720), (1286, 20840), (2084, 12860), (2572, 10420), (2605, 10288), (3215, 8336), (4168, 6430), (5144, 5210)]