78312781780

素因数分解:

$2^2\times 5^1\times {\mathrm{8017}}^1\times {\mathrm{488417}}^1$

素因数の和:496443

約数の個数: 24

約数和(自身を含む): 164477692008

約数和(自身を除く): 86164910228

約数列:

[1, 2, 4, 5, 10, 20, 8017, 16034, 32068, 40085, 80170, 160340, 488417, 976834, 1953668, 2442085, 4884170, 9768340, 3915639089, 7831278178, 15662556356, 19578195445, 39156390890, 78312781780]

約数ペア:

[(1, 78312781780), (2, 39156390890), (4, 19578195445), (5, 15662556356), (10, 7831278178), (20, 3915639089), (8017, 9768340), (16034, 4884170), (32068, 2442085), (40085, 1953668), (80170, 976834), (160340, 488417)]