2080259428

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{431}}^1\times {\mathrm{919}}^1$

素因数の和:1468

約数の個数: 48

約数和(自身を含む): 3972810240

約数和(自身を除く): 1892550812

約数列:

[1, 2, 4, 13, 26, 52, 101, 202, 404, 431, 862, 919, 1313, 1724, 1838, 2626, 3676, 5252, 5603, 11206, 11947, 22412, 23894, 43531, 47788, 87062, 92819, 174124, 185638, 371276, 396089, 565903, 792178, 1131806, 1206647, 1584356, 2263612, 2413294, 4826588, 5149157, 10298314, 20596628, 40004989, 80009978, 160019956, 520064857, 1040129714, 2080259428]

約数ペア:

[(1, 2080259428), (2, 1040129714), (4, 520064857), (13, 160019956), (26, 80009978), (52, 40004989), (101, 20596628), (202, 10298314), (404, 5149157), (431, 4826588), (862, 2413294), (919, 2263612), (1313, 1584356), (1724, 1206647), (1838, 1131806), (2626, 792178), (3676, 565903), (5252, 396089), (5603, 371276), (11206, 185638), (11947, 174124), (22412, 92819), (23894, 87062), (43531, 47788)]