40621400

素因数分解:

$2^3\times 5^2\times {\mathrm{197}}^1\times {\mathrm{1031}}^1$

素因数の和:1244

約数の個数: 48

約数和(自身を含む): 95016240

約数和(自身を除く): 54394840

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 197, 200, 394, 788, 985, 1031, 1576, 1970, 2062, 3940, 4124, 4925, 5155, 7880, 8248, 9850, 10310, 19700, 20620, 25775, 39400, 41240, 51550, 103100, 203107, 206200, 406214, 812428, 1015535, 1624856, 2031070, 4062140, 5077675, 8124280, 10155350, 20310700, 40621400]

約数ペア:

[(1, 40621400), (2, 20310700), (4, 10155350), (5, 8124280), (8, 5077675), (10, 4062140), (20, 2031070), (25, 1624856), (40, 1015535), (50, 812428), (100, 406214), (197, 206200), (200, 203107), (394, 103100), (788, 51550), (985, 41240), (1031, 39400), (1576, 25775), (1970, 20620), (2062, 19700), (3940, 10310), (4124, 9850), (4925, 8248), (5155, 7880)]