125982020

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{18049}}^1$

素因数の和:18407

約数の個数: 24

約数和(自身を含む): 265335000

約数和(自身を除く): 139352980

約数列:

[1, 2, 4, 5, 10, 20, 349, 698, 1396, 1745, 3490, 6980, 18049, 36098, 72196, 90245, 180490, 360980, 6299101, 12598202, 25196404, 31495505, 62991010, 125982020]

約数ペア:

[(1, 125982020), (2, 62991010), (4, 31495505), (5, 25196404), (10, 12598202), (20, 6299101), (349, 360980), (698, 180490), (1396, 90245), (1745, 72196), (3490, 36098), (6980, 18049)]