80909180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{6029}}^1$

素因数の和:6110

約数の個数: 48

約数和(自身を含む): 188425440

約数和(自身を除く): 107516260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 220, 244, 305, 610, 671, 1220, 1342, 2684, 3355, 6029, 6710, 12058, 13420, 24116, 30145, 60290, 66319, 120580, 132638, 265276, 331595, 367769, 663190, 735538, 1326380, 1471076, 1838845, 3677690, 4045459, 7355380, 8090918, 16181836, 20227295, 40454590, 80909180]

約数ペア:

[(1, 80909180), (2, 40454590), (4, 20227295), (5, 16181836), (10, 8090918), (11, 7355380), (20, 4045459), (22, 3677690), (44, 1838845), (55, 1471076), (61, 1326380), (110, 735538), (122, 663190), (220, 367769), (244, 331595), (305, 265276), (610, 132638), (671, 120580), (1220, 66319), (1342, 60290), (2684, 30145), (3355, 24116), (6029, 13420), (6710, 12058)]