208088660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{2557}}^1$

素因数の和:2892

約数の個数: 48

約数和(自身を含む): 472288656

約数和(自身を除く): 264199996

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 313, 626, 1252, 1565, 2557, 3130, 4069, 5114, 6260, 8138, 10228, 12785, 16276, 20345, 25570, 33241, 40690, 51140, 66482, 81380, 132964, 166205, 332410, 664820, 800341, 1600682, 3201364, 4001705, 8003410, 10404433, 16006820, 20808866, 41617732, 52022165, 104044330, 208088660]

約数ペア:

[(1, 208088660), (2, 104044330), (4, 52022165), (5, 41617732), (10, 20808866), (13, 16006820), (20, 10404433), (26, 8003410), (52, 4001705), (65, 3201364), (130, 1600682), (260, 800341), (313, 664820), (626, 332410), (1252, 166205), (1565, 132964), (2557, 81380), (3130, 66482), (4069, 51140), (5114, 40690), (6260, 33241), (8138, 25570), (10228, 20345), (12785, 16276)]