80781272

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{293}}^1$

素因数の和:564

約数の個数: 64

約数和(自身を含む): 179292960

約数和(自身を除く): 98511688

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 241, 286, 293, 482, 572, 586, 964, 1144, 1172, 1928, 2344, 2651, 3133, 3223, 3809, 5302, 6266, 6446, 7618, 10604, 12532, 12892, 15236, 21208, 25064, 25784, 30472, 34463, 41899, 68926, 70613, 83798, 137852, 141226, 167596, 275704, 282452, 335192, 564904, 776743, 917969, 1553486, 1835938, 3106972, 3671876, 6213944, 7343752, 10097659, 20195318, 40390636, 80781272]

約数ペア:

[(1, 80781272), (2, 40390636), (4, 20195318), (8, 10097659), (11, 7343752), (13, 6213944), (22, 3671876), (26, 3106972), (44, 1835938), (52, 1553486), (88, 917969), (104, 776743), (143, 564904), (241, 335192), (286, 282452), (293, 275704), (482, 167596), (572, 141226), (586, 137852), (964, 83798), (1144, 70613), (1172, 68926), (1928, 41899), (2344, 34463), (2651, 30472), (3133, 25784), (3223, 25064), (3809, 21208), (5302, 15236), (6266, 12892), (6446, 12532), (7618, 10604)]