2080784108

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{31}}^2\times {\mathrm{3203}}^1$

素因数の和:3295

約数の個数: 54

約数和(自身を含む): 4075593732

約数和(自身を除く): 1994809624

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 169, 338, 403, 676, 806, 961, 1612, 1922, 3203, 3844, 5239, 6406, 10478, 12493, 12812, 20956, 24986, 41639, 49972, 83278, 99293, 162409, 166556, 198586, 324818, 397172, 541307, 649636, 1082614, 1290809, 2165228, 2581618, 3078083, 5163236, 6156166, 12312332, 16780517, 33561034, 40015079, 67122068, 80030158, 160060316, 520196027, 1040392054, 2080784108]

約数ペア:

[(1, 2080784108), (2, 1040392054), (4, 520196027), (13, 160060316), (26, 80030158), (31, 67122068), (52, 40015079), (62, 33561034), (124, 16780517), (169, 12312332), (338, 6156166), (403, 5163236), (676, 3078083), (806, 2581618), (961, 2165228), (1612, 1290809), (1922, 1082614), (3203, 649636), (3844, 541307), (5239, 397172), (6406, 324818), (10478, 198586), (12493, 166556), (12812, 162409), (20956, 99293), (24986, 83278), (41639, 49972)]