42687620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{2221}}^1$

素因数の和:2292

約数の個数: 36

約数和(自身を含む): 92670732

約数和(自身を除く): 49983112

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 961, 1922, 2221, 3844, 4442, 4805, 8884, 9610, 11105, 19220, 22210, 44420, 68851, 137702, 275404, 344255, 688510, 1377020, 2134381, 4268762, 8537524, 10671905, 21343810, 42687620]

約数ペア:

[(1, 42687620), (2, 21343810), (4, 10671905), (5, 8537524), (10, 4268762), (20, 2134381), (31, 1377020), (62, 688510), (124, 344255), (155, 275404), (310, 137702), (620, 68851), (961, 44420), (1922, 22210), (2221, 19220), (3844, 11105), (4442, 9610), (4805, 8884)]