57786820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31751}}^1$

素因数の和:31780

約数の個数: 48

約数和(自身を含む): 149361408

約数和(自身を除く): 91574588

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 31751, 63502, 127004, 158755, 222257, 317510, 412763, 444514, 635020, 825526, 889028, 1111285, 1651052, 2063815, 2222570, 2889341, 4127630, 4445140, 5778682, 8255260, 11557364, 14446705, 28893410, 57786820]

約数ペア:

[(1, 57786820), (2, 28893410), (4, 14446705), (5, 11557364), (7, 8255260), (10, 5778682), (13, 4445140), (14, 4127630), (20, 2889341), (26, 2222570), (28, 2063815), (35, 1651052), (52, 1111285), (65, 889028), (70, 825526), (91, 635020), (130, 444514), (140, 412763), (182, 317510), (260, 222257), (364, 158755), (455, 127004), (910, 63502), (1820, 31751)]