80671424

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{557}}^1$

素因数の和:673

約数の個数: 56

約数和(自身を含む): 167810688

約数和(自身を除く): 87139264

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 73, 124, 146, 248, 292, 496, 557, 584, 992, 1114, 1168, 1984, 2228, 2263, 2336, 4456, 4526, 4672, 8912, 9052, 17267, 17824, 18104, 34534, 35648, 36208, 40661, 69068, 72416, 81322, 138136, 144832, 162644, 276272, 325288, 552544, 650576, 1105088, 1260491, 1301152, 2520982, 2602304, 5041964, 10083928, 20167856, 40335712, 80671424]

約数ペア:

[(1, 80671424), (2, 40335712), (4, 20167856), (8, 10083928), (16, 5041964), (31, 2602304), (32, 2520982), (62, 1301152), (64, 1260491), (73, 1105088), (124, 650576), (146, 552544), (248, 325288), (292, 276272), (496, 162644), (557, 144832), (584, 138136), (992, 81322), (1114, 72416), (1168, 69068), (1984, 40661), (2228, 36208), (2263, 35648), (2336, 34534), (4456, 18104), (4526, 17824), (4672, 17267), (8912, 9052)]