54278180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^3\times {\mathrm{2039}}^1$

素因数の和:2081

約数の個数: 48

約数和(自身を含む): 125435520

約数和(自身を除く): 71157340

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 1331, 2039, 2420, 2662, 4078, 5324, 6655, 8156, 10195, 13310, 20390, 22429, 26620, 40780, 44858, 89716, 112145, 224290, 246719, 448580, 493438, 986876, 1233595, 2467190, 2713909, 4934380, 5427818, 10855636, 13569545, 27139090, 54278180]

約数ペア:

[(1, 54278180), (2, 27139090), (4, 13569545), (5, 10855636), (10, 5427818), (11, 4934380), (20, 2713909), (22, 2467190), (44, 1233595), (55, 986876), (110, 493438), (121, 448580), (220, 246719), (242, 224290), (484, 112145), (605, 89716), (1210, 44858), (1331, 40780), (2039, 26620), (2420, 22429), (2662, 20390), (4078, 13310), (5324, 10195), (6655, 8156)]