8020012

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2003}}^1$

素因数の和:2038

約数の個数: 48

約数和(自身を含む): 18853632

約数和(自身を除く): 10833620

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 2003, 4004, 4006, 8012, 14021, 22033, 26039, 28042, 44066, 52078, 56084, 88132, 104156, 154231, 182273, 286429, 308462, 364546, 572858, 616924, 729092, 1145716, 2005003, 4010006, 8020012]

約数ペア:

[(1, 8020012), (2, 4010006), (4, 2005003), (7, 1145716), (11, 729092), (13, 616924), (14, 572858), (22, 364546), (26, 308462), (28, 286429), (44, 182273), (52, 154231), (77, 104156), (91, 88132), (143, 56084), (154, 52078), (182, 44066), (286, 28042), (308, 26039), (364, 22033), (572, 14021), (1001, 8012), (2002, 4006), (2003, 4004)]