55155860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{839}}^1$

素因数の和:1040

約数の個数: 48

約数和(自身を含む): 122774400

約数和(自身を除く): 67618540

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 173, 190, 346, 380, 692, 839, 865, 1678, 1730, 3287, 3356, 3460, 4195, 6574, 8390, 13148, 15941, 16435, 16780, 31882, 32870, 63764, 65740, 79705, 145147, 159410, 290294, 318820, 580588, 725735, 1451470, 2757793, 2902940, 5515586, 11031172, 13788965, 27577930, 55155860]

約数ペア:

[(1, 55155860), (2, 27577930), (4, 13788965), (5, 11031172), (10, 5515586), (19, 2902940), (20, 2757793), (38, 1451470), (76, 725735), (95, 580588), (173, 318820), (190, 290294), (346, 159410), (380, 145147), (692, 79705), (839, 65740), (865, 63764), (1678, 32870), (1730, 31882), (3287, 16780), (3356, 16435), (3460, 15941), (4195, 13148), (6574, 8390)]