20120128

素因数分解:

$2^6\times 7^1\times {\mathrm{97}}^1\times {\mathrm{463}}^1$

素因数の和:579

約数の個数: 56

約数和(自身を含む): 46199552

約数和(自身を除く): 26079424

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 97, 112, 194, 224, 388, 448, 463, 679, 776, 926, 1358, 1552, 1852, 2716, 3104, 3241, 3704, 5432, 6208, 6482, 7408, 10864, 12964, 14816, 21728, 25928, 29632, 43456, 44911, 51856, 89822, 103712, 179644, 207424, 314377, 359288, 628754, 718576, 1257508, 1437152, 2515016, 2874304, 5030032, 10060064, 20120128]

約数ペア:

[(1, 20120128), (2, 10060064), (4, 5030032), (7, 2874304), (8, 2515016), (14, 1437152), (16, 1257508), (28, 718576), (32, 628754), (56, 359288), (64, 314377), (97, 207424), (112, 179644), (194, 103712), (224, 89822), (388, 51856), (448, 44911), (463, 43456), (679, 29632), (776, 25928), (926, 21728), (1358, 14816), (1552, 12964), (1852, 10864), (2716, 7408), (3104, 6482), (3241, 6208), (3704, 5432)]