2109755890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1321}}^1\times {\mathrm{14519}}^1$

素因数の和:15858

約数の個数: 32

約数和(自身を含む): 4146215040

約数和(自身を除く): 2036459150

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 1321, 2642, 6605, 13210, 14519, 14531, 29038, 29062, 72595, 72655, 145190, 145310, 159709, 319418, 798545, 1597090, 19179599, 38359198, 95897995, 191795990, 210975589, 421951178, 1054877945, 2109755890]

約数ペア:

[(1, 2109755890), (2, 1054877945), (5, 421951178), (10, 210975589), (11, 191795990), (22, 95897995), (55, 38359198), (110, 19179599), (1321, 1597090), (2642, 798545), (6605, 319418), (13210, 159709), (14519, 145310), (14531, 145190), (29038, 72655), (29062, 72595)]