38997860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{1721}}^1$

素因数の和:1844

約数の個数: 48

約数和(自身を含む): 90260352

約数和(自身を除く): 51262492

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 103, 110, 206, 220, 412, 515, 1030, 1133, 1721, 2060, 2266, 3442, 4532, 5665, 6884, 8605, 11330, 17210, 18931, 22660, 34420, 37862, 75724, 94655, 177263, 189310, 354526, 378620, 709052, 886315, 1772630, 1949893, 3545260, 3899786, 7799572, 9749465, 19498930, 38997860]

約数ペア:

[(1, 38997860), (2, 19498930), (4, 9749465), (5, 7799572), (10, 3899786), (11, 3545260), (20, 1949893), (22, 1772630), (44, 886315), (55, 709052), (103, 378620), (110, 354526), (206, 189310), (220, 177263), (412, 94655), (515, 75724), (1030, 37862), (1133, 34420), (1721, 22660), (2060, 18931), (2266, 17210), (3442, 11330), (4532, 8605), (5665, 6884)]