205338800

素因数分解:

$2^4\times 5^2\times {\mathrm{513347}}^1$

素因数の和:513365

約数の個数: 30

約数和(自身を含む): 493327428

約数和(自身を除く): 287988628

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 513347, 1026694, 2053388, 2566735, 4106776, 5133470, 8213552, 10266940, 12833675, 20533880, 25667350, 41067760, 51334700, 102669400, 205338800]

約数ペア:

[(1, 205338800), (2, 102669400), (4, 51334700), (5, 41067760), (8, 25667350), (10, 20533880), (16, 12833675), (20, 10266940), (25, 8213552), (40, 5133470), (50, 4106776), (80, 2566735), (100, 2053388), (200, 1026694), (400, 513347)]