128612200

素因数分解:

$2^3\times 5^2\times {\mathrm{643061}}^1$

素因数の和:643077

約数の個数: 24

約数和(自身を含む): 299023830

約数和(自身を除く): 170411630

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 643061, 1286122, 2572244, 3215305, 5144488, 6430610, 12861220, 16076525, 25722440, 32153050, 64306100, 128612200]

約数ペア:

[(1, 128612200), (2, 64306100), (4, 32153050), (5, 25722440), (8, 16076525), (10, 12861220), (20, 6430610), (25, 5144488), (40, 3215305), (50, 2572244), (100, 1286122), (200, 643061)]