105212840

素因数分解:

$2^3\times 5^1\times {\mathrm{2630321}}^1$

素因数の和:2630332

約数の個数: 16

約数和(自身を含む): 236728980

約数和(自身を除く): 131516140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2630321, 5260642, 10521284, 13151605, 21042568, 26303210, 52606420, 105212840]

約数ペア:

[(1, 105212840), (2, 52606420), (4, 26303210), (5, 21042568), (8, 13151605), (10, 10521284), (20, 5260642), (40, 2630321)]