26347780

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{3221}}^1$

素因数の和:3639

約数の個数: 24

約数和(自身を含む): 55482840

約数和(自身を除く): 29135060

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 2045, 3221, 4090, 6442, 8180, 12884, 16105, 32210, 64420, 1317389, 2634778, 5269556, 6586945, 13173890, 26347780]

約数ペア:

[(1, 26347780), (2, 13173890), (4, 6586945), (5, 5269556), (10, 2634778), (20, 1317389), (409, 64420), (818, 32210), (1636, 16105), (2045, 12884), (3221, 8180), (4090, 6442)]