4160780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1231}}^1$

素因数の和:1266

約数の個数: 36

約数和(自身を含む): 9469152

約数和(自身を除く): 5308372

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1231, 1690, 2462, 3380, 4924, 6155, 12310, 16003, 24620, 32006, 64012, 80015, 160030, 208039, 320060, 416078, 832156, 1040195, 2080390, 4160780]

約数ペア:

[(1, 4160780), (2, 2080390), (4, 1040195), (5, 832156), (10, 416078), (13, 320060), (20, 208039), (26, 160030), (52, 80015), (65, 64012), (130, 32006), (169, 24620), (260, 16003), (338, 12310), (676, 6155), (845, 4924), (1231, 3380), (1690, 2462)]