40724140

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{373}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 88216128

約数和(自身を除く): 47491988

約数列:

[1, 2, 4, 5, 10, 20, 53, 103, 106, 206, 212, 265, 373, 412, 515, 530, 746, 1030, 1060, 1492, 1865, 2060, 3730, 5459, 7460, 10918, 19769, 21836, 27295, 38419, 39538, 54590, 76838, 79076, 98845, 109180, 153676, 192095, 197690, 384190, 395380, 768380, 2036207, 4072414, 8144828, 10181035, 20362070, 40724140]

約数ペア:

[(1, 40724140), (2, 20362070), (4, 10181035), (5, 8144828), (10, 4072414), (20, 2036207), (53, 768380), (103, 395380), (106, 384190), (206, 197690), (212, 192095), (265, 153676), (373, 109180), (412, 98845), (515, 79076), (530, 76838), (746, 54590), (1030, 39538), (1060, 38419), (1492, 27295), (1865, 21836), (2060, 19769), (3730, 10918), (5459, 7460)]