12581260

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{229}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 27588960

約数和(自身を除く): 15007700

約数列:

[1, 2, 4, 5, 10, 20, 41, 67, 82, 134, 164, 205, 229, 268, 335, 410, 458, 670, 820, 916, 1145, 1340, 2290, 2747, 4580, 5494, 9389, 10988, 13735, 15343, 18778, 27470, 30686, 37556, 46945, 54940, 61372, 76715, 93890, 153430, 187780, 306860, 629063, 1258126, 2516252, 3145315, 6290630, 12581260]

約数ペア:

[(1, 12581260), (2, 6290630), (4, 3145315), (5, 2516252), (10, 1258126), (20, 629063), (41, 306860), (67, 187780), (82, 153430), (134, 93890), (164, 76715), (205, 61372), (229, 54940), (268, 46945), (335, 37556), (410, 30686), (458, 27470), (670, 18778), (820, 15343), (916, 13735), (1145, 10988), (1340, 9389), (2290, 5494), (2747, 4580)]