205850650

素因数分解:

$2^1\times 5^2\times {\mathrm{103}}^1\times {\mathrm{39971}}^1$

素因数の和:40086

約数の個数: 24

約数和(自身を含む): 386609184

約数和(自身を除く): 180758534

約数列:

[1, 2, 5, 10, 25, 50, 103, 206, 515, 1030, 2575, 5150, 39971, 79942, 199855, 399710, 999275, 1998550, 4117013, 8234026, 20585065, 41170130, 102925325, 205850650]

約数ペア:

[(1, 205850650), (2, 102925325), (5, 41170130), (10, 20585065), (25, 8234026), (50, 4117013), (103, 1998550), (206, 999275), (515, 399710), (1030, 199855), (2575, 79942), (5150, 39971)]