84420400

素因数分解:

$2^4\times 5^2\times {\mathrm{211051}}^1$

素因数の和:211069

約数の個数: 30

約数和(自身を含む): 202820972

約数和(自身を除く): 118400572

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 211051, 422102, 844204, 1055255, 1688408, 2110510, 3376816, 4221020, 5276275, 8442040, 10552550, 16884080, 21105100, 42210200, 84420400]

約数ペア:

[(1, 84420400), (2, 42210200), (4, 21105100), (5, 16884080), (8, 10552550), (10, 8442040), (16, 5276275), (20, 4221020), (25, 3376816), (40, 2110510), (50, 1688408), (80, 1055255), (100, 844204), (200, 422102), (400, 211051)]