12440895940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{518803}}^1$

素因数の和:518932

約数の個数: 48

約数和(自身を含む): 28762493760

約数和(自身を除く): 16321597820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 109, 110, 218, 220, 436, 545, 1090, 1199, 2180, 2398, 4796, 5995, 11990, 23980, 518803, 1037606, 2075212, 2594015, 5188030, 5706833, 10376060, 11413666, 22827332, 28534165, 56549527, 57068330, 113099054, 114136660, 226198108, 282747635, 565495270, 622044797, 1130990540, 1244089594, 2488179188, 3110223985, 6220447970, 12440895940]

約数ペア:

[(1, 12440895940), (2, 6220447970), (4, 3110223985), (5, 2488179188), (10, 1244089594), (11, 1130990540), (20, 622044797), (22, 565495270), (44, 282747635), (55, 226198108), (109, 114136660), (110, 113099054), (218, 57068330), (220, 56549527), (436, 28534165), (545, 22827332), (1090, 11413666), (1199, 10376060), (2180, 5706833), (2398, 5188030), (4796, 2594015), (5995, 2075212), (11990, 1037606), (23980, 518803)]